L7805CV1 - STMicroelectronics

1/34November 2004

■OUTPUT CURRENT TO 1.5A

■OU TPUT VOLTA GES OF 5; 5.2; 6; 8; 8.5; 9;

10; 12; 15; 18; 24V

■THERMAL OVERLOAD PROTECTION

■SHORT CIRCUIT PROTECTION

■OUTPUT TRANSITION SOA PROTECTION

DESCRIPTION

The L7800 series of three-terminal positive

regulators is available in TO-220, TO-220FP,

TO-220FM, TO-3 and D2PAK packages and

several f ixed output voltages, making it useful i n a

wide range of applications. These regulators can

provide local on-card regulation, eliminating the

distribution proble ms associated with single point

regulation. Each type employs internal current

limiting, thermal shut-down and safe area

protection, making it essentially indestructible. If

adequate heat sinking is provided, they can

deliver over 1A ou tput current. Although des ign ed

primarily as fixed voltage regulators, these

dev ices c an b e us ed with ex ternal c om ponents t o

obtain adjust able voltage and currents.

L7800

SERIES

POSI TIVE VOL T AG E RE GULA TOR S

Fi gure 1: S ch ematic Di agra m

TO-220

D2PAK TO-3

TO-220FP

TO-220FM

Rev. 12

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Table 1: Absolute Maximum Ratings

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is

not implie d.

Table 2: Therm al Data

Figure 2: Schematic Diagram

Symbol Parameter Value Unit

VIDC Input Voltage for VO= 5 to 18V 35 V

for VO= 20, 24V 40

IOOutput Current Internally Limited

Ptot Power Dissipation Internally Limited

Tstg Storage Temperature Range -65 to 150 °C

Top Operating Junction T emperature

Range for L7800 -55 to 150 °C

for L7800C 0 to 150

Symbol Parameter D2PAK TO-220 TO-220FP TO-220FM TO-3 Unit

Rthj-case Thermal Resistance Junction-case Max 355 54°C/W

Rthj-amb Thermal Resistance Junction-ambient

Max 62.5 50 60 60 35 °C/W

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Fi gure 3: C onne ction Dia gra m (top view)

Table 3: Order Codes

(* ) A vailable in Tape & Reel wit h t he suffix " -T R".

TYPE TO-220

(A Type) TO-220

(C Type) TO-220

(E Type) D2PAK

(A Type) (*)

D2PAK

(C Type)

(T & R) TO-220FP TO-220FM TO-3

L7805 L7805T

L7805C L7805CV L7805C-V L7805CV1 L7805CD2T L7805C-D2TR L7805CP L7805CF L7805CT

L7852C L7852CV L7852CD2T L7852CP L7852CF L7852CT

L7806 L7806T

L7806C L7806CV L7806C-V L7806CD2T L7806CP L7806CF L7806CT

L7808 L7808T

L7808C L7808CV L7808C-V L7808CD2T L7808CP L7808CF L7808CT

L7885C L7885CV L7885CD2T L7885CP L7885CF L7885CT

L7809C L7809CV L7809C-V L7809CD2T L7809CP L7809CF L7809CT

L7810C L7810CV L7810CD2T L7810CP

L7812 L7812T

L7812C L7812CV L7812C-V L7812CD2T L7812CP L7812CF L7812CT

L7815 L7815T

L7815C L7815CV L7815C-V L7815CD2T L7815CP L7815CF L7815CT

L7818 L7818T

L7818C L7818CV L7818CD2T L7818CP L7818CF L7818CT

L7820 L7820T

L7820C L7820CV L7820CD2T L7820CP L7820CF L7820CT

L7824 L7824T

L7824C L7824CV L7824CD2T L7824CP L7824CF L7824CT

TO-220 (Any Type)

TO-3D2PA K ( A ny Ty p e )

TO-220FP/TO-220FM

L7800 SERIES

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Fi gure 4: A pplication Ci rcuits

TEST CIRCUITS

Figure 5: DC Parameter

Fi gure 6: Loa d Re gulation

L7800 SERIES

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Fi gure 7: R ipple Rejec tion

Table 4: Electrical Characteristics Of L7805 (r e fe r to th e test circuits, TJ = -55 to 150°C, VI = 10V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 4.8 5 5.2 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 8 to 20 V 4.65 5 5.35 V

∆VO(*) Line Regulation VI = 7 to 25 V TJ = 25°C 3 50 mV

VI = 8 to 12 V TJ = 25°C 1 25

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 100 mV

IO = 250 to 750 mA TJ = 25°C 25

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 8 to 25 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 0.6 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 8 to 18 V f = 120Hz 68 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 17 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

L7800 SERIES

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Table 5: Electrical Characteristics Of L7806 (r e fe r to th e test circuits, TJ = -55 to 150°C, VI = 11V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 6: Electrical Characteristics Of L7808 (r e fe r to th e test circuits, TJ = -55 to 150°C, VI = 14V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 5.75 6 6.25 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 9 to 21 V 5.65 6 6.35 V

∆VO(*) Line Regulation VI = 8 to 25 V TJ = 25°C 60 mV

VI = 9 to 13 V TJ = 25°C 30

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 100 mV

IO = 250 to 750 mA TJ = 25°C 30

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 9 to 25 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 0.7 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 9 to 19 V f = 120Hz 65 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 19 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 7.7 8 8.3 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 11.5 to 23 V 7.688.4V

∆VO(*) Line Regulation VI = 10.5 to 25 V T J = 25°C 80 mV

VI = 11 to 17 V TJ = 25°C 40

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 100 mV

IO = 250 to 750 mA TJ = 25°C 40

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 11.5 to 25 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 11.5 to 21.5 V f = 120Hz 62 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 16 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

L7800 SERIES

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Table 7: Electrical Characteristics Of L7812 (r e fe r to th e test circuits, TJ = -55 to 150°C, VI = 19V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 8: Electrical Characteristics Of L7815 (r e fe r to th e test circuits, TJ = -55 to 150°C, VI = 23V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 11.5 12 1 2.5 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 15.5 to 27 V 11.4 12 12.6 V

∆VO(*) Line Regulation VI = 14.5 to 30 V T J = 25°C 120 mV

VI = 16 to 22 V TJ = 25°C 60

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 100 mV

IO = 250 to 750 mA TJ = 25°C 60

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 15 to 30 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 1.5 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 15 to 25 V f = 120Hz 61 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 18 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 14.4 15 15.6 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 18.5 to 30 V 14.25 15 15.75 V

∆VO(*) Line Regulation VI = 17.5 to 30 V T J = 25°C 150 mV

VI = 20 to 26 V TJ = 25°C 75

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 150 mV

IO = 250 to 750 mA TJ = 25°C 75

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 18.5 to 30 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 1.8 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 18.5 to 28.5 V f = 120Hz 60 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 19 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

L7800 SERIES

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Table 9: Electrical Characteristics Of L7818 (r e fe r to th e test circuits, TJ = -55 to 150°C, VI = 26V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 10: Electrical Characte ristics Of L7820 (refer to the test circuits, TJ = -55 to 150° C, VI = 28V,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 17.3 18 18.7 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 22 to 33 V 17.1 18 18.9 V

∆VO(*) Line Regulation VI = 21 to 33 V TJ = 25°C 180 mV

VI = 24 to 30 V TJ = 25°C 90

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 180 mV

IO = 250 to 750 mA TJ = 25°C 90

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 22 to 33 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 2.3 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 22 to 32 V f = 120Hz 59 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 22 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 19.2 20 20.8 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 24 to 35 V 19 20 21 V

∆VO(*) Line Regulation VI = 22.5 to 35 V T J = 25°C 200 mV

VI = 26 to 32 V TJ = 25°C 100

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 200 mV

IO = 250 to 750 mA TJ = 25°C 100

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 24 to 35 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 2.5 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 24 to 35 V f = 120Hz 58 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 24 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

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Table 11: Electrical Characte ristics Of L7824 (refer to the test circuits, TJ = -55 to 150° C, VI = 33V,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 12: Electrical Characteristics Of L780 5C (refer to the test circuits, TJ = 0 to 125°C, V I = 10V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 232425 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 28 to 38 V 22.8 24 25.2 V

∆VO(*) Line Regulation VI = 27 to 38 V TJ = 25°C 240 mV

VI = 30 to 36 V TJ = 25°C 120

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 240 mV

IO = 250 to 750 mA TJ = 25°C 120

IdQuiescent Current TJ = 25°C 6 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 28 to 38 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA 3 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 28 to 38 V f = 120Hz 56 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 2.5 V

ROOutput Resistance f = 1 KHz 28 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A

Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 4.8 5 5.2 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 7 to 20 V 4.75 5 5.25 V

∆VO(*) Line Regulation VI = 7 to 25 V TJ = 25°C 3 100 mV

VI = 8 to 12 V TJ = 25°C 1 50

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 100 mV

IO = 250 to 750 mA TJ = 25°C 50

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 7 to 25 V 0.8

∆VO/∆T Output Voltage Drift IO = 5 mA -1.1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/VO

SVR Supply Voltage Rejection VI = 8 to 18 V f = 120Hz 62 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 17 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

L7800 SERIES

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Table 13: Electrical Characteristics Of L785 2C (refer to the test circuits, TJ = 0 to 125°C, V I = 10V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 14: Electrical Characteristics Of L780 6C (refer to the test circuits, TJ = 0 to 125°C, V I = 11V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 5.0 5.2 5.4 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 8 to 20 V 4.95 5.2 5.45 V

∆VO(*) Line Regulation VI = 7 to 25 V TJ = 25°C 3 105 mV

VI = 8 to 12 V TJ = 25°C 1 52

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 105 mV

IO = 250 to 750 mA TJ = 25°C 52

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 7 to 25 V 1.3

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 42 µV/VO

SVR Supply Voltage Rejection VI = 8 to 18 V f = 120Hz 61 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 17 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 5.75 6 6.25 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 8 to 21 V 5.766.3V

∆VO(*) Line Regulation VI = 8 to 25 V TJ = 25°C 120 mV

VI = 9 to 13 V TJ = 25°C 60

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 120 mV

IO = 250 to 750 mA TJ = 25°C 60

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 8 to 25 V 1.3

∆VO/∆T Output Voltage Drift IO = 5 mA -0.8 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 45 µV/VO

SVR Supply Voltage Rejection VI = 9 to 19 V f = 120Hz 59 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 19 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.55 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

L7800 SERIES

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Table 15: Electrical Characteristics Of L780 8C (refer to the test circuits, TJ = 0 to 125°C, V I = 14V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 16: Electrical Characteristics Of L788 5C (refer to the test circuits, TJ = 0 to 125°C, V I = 14. 5V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 7.7 8 8.3 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 10.5 to 25 V 7.688.4V

∆VO(*) Line Regulation VI = 10.5 to 25 V T J = 25°C 160 mV

VI = 11 to 17 V TJ = 25°C 80

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 160 mV

IO = 250 to 750 mA TJ = 25°C 80

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 10.5 to 25 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -0.8 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 52 µV/VO

SVR Supply Voltage Rejection VI = 11.5 to 21.5 V f = 120Hz 56 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 16 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.45 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 8.2 8.5 8.8 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 11 to 26 V 8.1 8.5 8.9 V

∆VO(*) Line Regulation VI = 11 to 27 V TJ = 25°C 160 mV

VI = 11.5 to 17.5 V TJ = 25°C 80

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 160 mV

IO = 250 to 750 mA TJ = 25°C 80

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 11 to 27 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -0.8 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 55 µV/VO

SVR Supply Voltage Rejection VI = 12 to 22 V f = 120Hz 56 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 16 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.45 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

L7800 SERIES

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Table 17: Electrical Characteristics Of L780 9C (refer to the test circuits, TJ = 0 to 125°C, V I = 15V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 18: Electrical Characteristics Of L781 0C (refer to the test circuits, TJ = 0 to 125°C, V I = 16V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 8.64 9 9.36 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 11.5 to 26 V 8.55 9 9.45 V

∆VO(*) Line Regulation VI = 11.5 to 26 V TJ = 25°C 180 mV

VI = 12 to 18 V TJ = 25°C 90

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 180 mV

IO = 250 to 750 mA TJ = 25°C 90

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 11.5 to 26 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 70 µV/VO

SVR Supply Voltage Rejection VI = 12 to 23 V f = 120Hz 55 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 17 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.40 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 9.6 10 1 0.4 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 12.5 to 26 V 9.5 10 10.5 V

∆VO(*) Line Regulation VI = 12.5 to 26 V T J = 25°C 200 mV

VI = 13.5 to 19 V T J = 25°C 100

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 200 mV

IO = 250 to 750 mA TJ = 25°C 100

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 12.5 to 26 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 70 µV/VO

SVR Supply Voltage Rejection VI = 13 to 23 V f = 120Hz 55 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 17 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.40 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

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Table 19: Electrical Characteristics Of L781 2C (refer to the test circuits, TJ = 0 to 125°C, V I = 19V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 20: Electrical Characteristics Of L781 5C (refer to the test circuits, TJ = 0 to 125°C, V I = 23V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 11.5 12 12.5 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 14.5 to 27 V 11.4 12 12.6 V

∆VO(*) Line Regulation VI = 14.5 to 30 V T J = 25°C 240 mV

VI = 16 to 22 V TJ = 25°C 120

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 240 mV

IO = 250 to 750 mA TJ = 25°C 120

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 14.5 to 30 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 75 µV/VO

SVR Supply Voltage Rejection VI = 15 to 25 V f = 120Hz 55 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 18 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.35 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 14.5 15 15.6 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 17.5 to 30 V 14.25 15 15.75 V

∆VO(*) Line Regulation VI = 17.5 to 30 V T J = 25°C 300 mV

VI = 20 to 26 V TJ = 25°C 150

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 300 mV

IO = 250 to 750 mA TJ = 25°C 150

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 17.5 to 30 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 90 µV/VO

SVR Supply Voltage Rejection VI = 18.5 to 28.5 V f = 120Hz 54 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 19 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.23 A

Iscp Short Circuit Peak Current TJ = 25°C 2.2 A

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Table 21: Electrical Characteristics Of L781 8C (refer to the test circuits, TJ = 0 to 125°C, V I = 26V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Table 22: Electrical Characteristics Of L782 0C (refer to the test circuits, TJ = 0 to 125°C, V I = 28V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 17.3 18 18.7 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 21 to 33 V 17.1 18 18.9 V

∆VO(*) Line Regulation VI = 21 to 33 V TJ = 25°C 360 mV

VI = 24 to 30 V TJ = 25°C 180

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 360 mV

IO = 250 to 750 mA TJ = 25°C 180

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 21 to 33 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 110 µV/VO

SVR Supply Voltage Rejection VI = 22 to 32 V f = 120Hz 53 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 22 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.20 A

Iscp Short Circuit Peak Current TJ = 25°C 2.1 A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 19.2 20 20.8 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 23 to 35 V 19 20 21 V

∆VO(*) Line Regulation VI = 22.5 to 35 V T J = 25°C 400 mV

VI = 26 to 32 V TJ = 25°C 200

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 400 mV

IO = 250 to 750 mA TJ = 25°C 200

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 23 to 35 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 150 µV/VO

SVR Supply Voltage Rejection VI = 24 to 35 V f = 120Hz 52 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 24 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.18 A

Iscp Short Circuit Peak Current TJ = 25°C 2.1 A

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Table 23: Electrical Characteristics Of L782 4C (refer to the test circuits, TJ = 0 to 125°C, V I = 33V ,

IO = 500 mA, CI = 0.33 µF , CO = 0.1 µF unless otherwise specified).

(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effect s must be taken int o acc ount

separately. Pulse te sting with low duty cycle is used.

Fi gure 8: Dropout Voltage vs Junc tion

Temperature Fi gure 9: Peak Output Current vs Input/output

Differential Voltage

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VOOutput Voltage TJ = 25°C 232425 V

VOOutput Voltage IO = 5 mA to 1 A PO ≤ 15W

VI = 27 to 38 V 22.8 24 25.2 V

∆VO(*) Line Regulation VI = 27 to 38 V TJ = 25°C 480 mV

VI = 30 to 36 V TJ = 25°C 240

∆VO(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 480 mV

IO = 250 to 750 mA TJ = 25°C 240

IdQuiescent Current TJ = 25°C 8 mA

∆IdQuiescent Current Change IO = 5 mA to 1 A 0.5 mA

VI = 27 to 38 V 1

∆VO/∆T Output Voltage Drift IO = 5 mA -1.5 mV/°C

eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 170 µV/VO

SVR Supply Voltage Rejection VI = 28 to 38 V f = 120Hz 50 dB

VdDropout Voltage IO = 1 A TJ = 25°C 2 V

ROOutput Resistance f = 1 KHz 28 mΩ

Isc Short Circuit Current VI = 35 V TJ = 25°C 0.15 A

Iscp Short Circuit Peak Current TJ = 25°C 2.1 A

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Fi gure 10: S upply V oltage Rejection vs

Frequency

Fi gure 11: Output Voltage vs Junction

Temperature

Fi gure 12: Output Impedance vs Frequency

Fi gure 13: Quiescent Current vs Junction

Temperature

Fi gure 14: Load Transi ent Response

Fi gure 15: Line Transient Response

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Fi gure 16: Quiescent Current vs Inp ut Voltage

Figure 17: Fixed Output Regulator

NOTE:

1. To specify a n output vol t age, sub st i tute voltage value for "XX" .

2. Although no output capacitor is need for stability, it does improve transient response.

3. Required if regul ator is locate an appreciable dis ta nce from power sup pl y fil t er.

Figure 18: Current Regulator

Vxx

IO =  + Id

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Figure 19: Circuit for I ncreasing Output Voltage

Figure 20: Adjustable Output Regula tor (7 to 30V)

Figure 21: 0.5 to 10V Regulator

IR1 ≥ 5 Id

VO = VXX (1+  ) + Id R2

VO = Vxx 

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Fi gure 22: H i gh C urrent Volta ge Regu l at or

Fi gure 23: High Out put C urrent with Sh ort Circ uit P rotec tion

Figure 24: T racking Voltage Regulator

VBEQ1

R1 = 

IQ1

IREQ - 

βQ1 VBEQ1

IO = IREG + Q1 (IREG )

VBEQ2

RSC = 

ISC

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Figure 25: Split Power Supply (± 15V - 1 A)

* Aga i nst potential lat ch-up problems .

Fi gure 26: Nega t ive Outp ut Volta ge Ci rc uit

Fi gure 27: Swi t ching Regulator

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Fi gure 28: H i gh Input Voltage Ci rc ui t

Fi gure 29: H i gh Input Voltage Ci rc ui t

Fi gure 30: Hig h Out put V oltage R egu l at or

Fi gure 31: High I nput and Ou tp ut Volta ge

VIN = VI - (VZ + VBE)

VO = VXX + VZ1

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Fi gure 32: R edu cing Powe r Dis sipa tion wit h Droppin g Re sistor

Fi gure 33: Remot e Shutdown

Figure 34: Power AM Modulator (unity voltage gain, IO ≤ 0.5)

NOT E: The c i rcuit perf orms wel l up t o 100 KHz .

VI(min) - VXX - VDROP(max)

R = 

IO(max) + Id(max)

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Figure 35: Adjustable Outpu t Voltage wit h Temperature Compensation

NOTE: Q2 is connected as a diode in order to compensate the variation of the Q1 VBE with the temperature. C allows a slow rise time of the VO.

Figure 36: Light Controllers (VOmin = VXX + VBE)

Figure 37: Pro tection ag ainst Input Shor t-Circuit with High Capacitance Lo ads

Applica t io n wi th hi gh capacit ance loads and an output vol tage great er than 6 volts need an exter nal di ode (see fig. 33) to protect the device

against input short circuit. In this case the input voltage falls rapidly while t he output voltage decrease slowly. The capacitance discharges by

means of the Base-E m i tter junction o f t he series pass transisto r i n the regulator. If the energy i s s ufficiently high, the transis tor may be d e -

st royed. Th e externa l di ode by-passes the curre nt from th e IC to ground.

VO = VXX (1+ ) + VBE

VO rises when the light goes up

VO fall s when the light goes u p

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 11.85 0.466

B 0.96 1.05 1.10 0.037 0.041 0.043

C 1.70 0.066

D 8.7 0.342

E 20.0 0.787

G 10.9 0.429

N 16.9 0.665

P 26.2 1.031

R 3.88 4.09 0.152 0.161

U 39.5 1.555

V 30.10 1.185

TO-3 MECHANICAL DATA

P003C/C

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.40 4.60 0.173 0.181

b 0.61 0.88 0.024 0.034

b1 1.15 1.70 0.045 0.067

c 0.49 0.70 0.019 0.027

D 15.25 15.75 0.600 0.620

E 10.0 10.40 0.393 0.409

e 2.4 2.7 0.094 0.106

e1 4.95 5.15 0.194 0.203

F 1.23 1.32 0.048 0.051

H1 6.2 6.6 0.244 0.260

J1 2.40 2.72 0.094 0.107

L 13.0 14.0 0.511 0.551

L1 3.5 3.93 0.137 0.154

L20 16.4 0.645

L30 28.9 1.138

φP 3.75 3.85 0.147 0.151

Q 2.65 2.95 0.104 0.116

TO-220 (A TYPE) MECHANICAL DATA

0015988/N

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.30 4.70 0.169 0.185

b 0.70 0.90 0.028 0.035

b1 1.42 1.62 0.056 0.064

c 0.45 0.60 0.018 0.024

D 15.70 0.618

E 9.80 10.20 0.386 0.402

e 2.54 0.100

e1 5.08 0.200

F 1.25 1.39 0.049 0.055

H1 6.5 0.256

J1 2.20 2.60 0.087 0.202

L 12.88 13.28 0.507 0.523

L1 3 0.118

L20 15.70 16.1 0.618 0.634

L30 28.9 1.138

φP 3.50 3.70 0.138 0.146

Q 2.70 2.90 0.106 0.114

TO-220 (C TYPE) MECHANICAL DATA

0015988/N

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.47 4.67 0.176 0.184

b 0.70 0.91 0.028 0.036

b1 1.17 1.37 0.046 0.054

c 0.31 0.53 0.012 0.021

D 14.60 15.70 0.575 0.618

E 9.96 10.36 0.392 0.408

e 2.54 0.100

e1 5.08 0.200

F 1.17 1.37 0.046 0.054

H1 6.1 6.8 0.240 0.268

J1 2.52 2.82 0.099 0.111

L 12.70 13.80 0.500 0.543

L1 3.20 3.96 0.126 0.156

L20 15.21 16.77 0.599 0.660

φP 3.73 3.94 0.147 0.155

Q 2.59 2.89 0.102 0.114

TO-220 (E TYPE) MECHANICAL DATA

7655923/A

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.40 4.60 0.173 0.181

B 2.5 2.7 0.098 0.106

D 2.5 2.75 0.098 0.108

E 0.45 0.70 0.017 0.027

F 0.75 1 0.030 0.039

F1 1.15 1.50 0.045 0.059

F2 1.15 1.50 0.045 0.059

G 4.95 5.2 0.194 0.204

G1 2.4 2.7 0.094 0.106

H 10.0 10.40 0.393 0.409

L2 16 0.630

L3 28.6 30.6 1.126 1.204

L4 9.8 10.6 0.385 0.417

L5 2.9 3.6 0.114 0.142

L6 15.9 16.4 0.626 0.645

L7 9 9.3 0.354 0.366

DIA. 3 3.2 0.118 0.126

TO-220FP MECHANICAL DATA

7012510A-H

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.50 4.90 0.177 0.193

B 2.34 2.74 0.092 0.108

D 2.56 2.96 0.101 0.117

E 0.45 0.50 0.60 0.018 0.020 0.024

F 0.70 0.90 0.028 0.035

F1 1.47 0.058

G 5.08 0.200

G1 2.34 2.54 2.74 0.092 0.100 0.108

H 9.96 10.36 0.392 0.408

L2 15.8 0.622

L4 9.45 10.05 0.372 0.396

L6 15.67 16.07 0.617 0.633

L7 8.99 9.39 0.354 0.370

L8 3.30 0.130

DIA. 3.08 3.28 0.121 0.129

TO-220FM MECHANICAL DATA

7012510C-H

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.4 4.6 0.173 0.181

A1 0.03 0.23 0.001 0.009

b 0.7 0.93 0.027 0.036

b2 1.14 1.7 0.044 0.067

c 0.45 0.6 0.017 0.023

c2 1.23 1.36 0.048 0.053

D 8.95 9.35 0.352 0.368

D1 80.315

E 10 10.4 0.393 0.409

E1 8.5 0.335

e 2.54 0.100

e1 4.88 5.28 0.192 0.208

H 15 15.85 0.590 0.624

J1 2.49 2.69 0.098 0.106

L 2.29 2.79 0.090 0.110

L1 1.27 1.4 0.050 0.055

L2 1.3 1.75 0.051 0.069

R 0.4 0.016

V2 0°8°0°8°

D2PAK (A TYPE) MECHANICAL DATA

0079457/J

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 4.3 4.7 0.169 0.185

A1 0 0.20 0.000 0.008

b 0.70 0.90 0.028 0.035

b2 1.17 1.37 0.046 0.054

c 0.45 0.50 0.6 0.018 0.020 0.024

c2 1.25 1.30 1.40 0.049 0.051 0.055

D 9.0 9.2 9.4 0.354 0.362 0.370

D1 7.5 0.295

E 9.8 10.2 0.386 0.402

E1 7.5 0.295

e 2.54 0.100

e1 5.08 0.200

H 15 15.30 15.60 0.591 0.602 0.614

J1 2.20 2.60 0.087 0.102

L 1.79 2.79 0.070 0.110

L1 1.0 1.4 0.039 0.055

L2 1.2 1.6 0.047 0.063

R 0.3 0.012

V2 0°3°0°3°

D2PAK (C TYPE) MECHANICAL DATA

0079457/J

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DIM. mm. inch

MIN. TYP MAX. MIN. TYP. MAX.

A 180 7.086

C 12.8 13.0 13.2 0.504 0.512 0.519

D 20.2 0.795

N 60 2.362

T 14.4 0.567

Ao 10.50 10.6 10.70 0.413 0.417 0.421

Bo 15.70 15.80 15.90 0.618 0.622 0.626

Ko 4.80 4.90 5.00 0.189 0.193 0.197

Po 3.9 4.0 4.1 0.153 0.157 0.161

P 11.9 12.0 12.1 0.468 0.472 0.476

Tape & Reel D2PAK-P2PAK-D2PAK/A-P2PAK/A MECHANICAL DATA

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Table 24: Revision History

Date Revisio n D escrip tion of Change s

09-Nov-2004 12 Add New Part Number.

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