78D12AG-TN3-R - Unisonic Technologies Co., Ltd.

UNISONIC TECHNOLOGIES CO., LTD

78DXXA

LINEAR INTEGRATED CIRCUIT

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3-TERMINALS 1A POSITIVE

VOLTAGE REGULATOR

 DESCRIPTION

The UTC 78DXXA family is monolithic fixed voltage regulator

integrated circuit. They are suitable for applications that required

supply current up to 1 A.

 FEATURES

* Peak output current up to 1A.

* Fixed output voltage of 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V and

18V available.

* Thermal overload shutdown protection.

* Short circuit current limiting.

* Output transistor SOA protection.

TO-252

1

TO-251

1

TO-252-3

SOT-223

1

 ORDERING INFORMATION

Ordering Number Package Pin Assignment Packing

Lead Free Halogen Free 1 2 3

78DXXAL-AA3-R 78DXXAG-AA3-R SOT-223 I G O Tape Reel

78DXXAL-TM3-T 78DXXAG-TM3-T TO-251 I G O Tube

78DXXAL-TN3-R 78DXXAG-TN3-R TO-252 I G O Tape Reel

78DXXAL-TN3-T 78DXXAG-TN3-T TO-252 I G O Tube

78DXXAL-TNA-R 78DXXAG-TNA-R TO-252-3 I G O Tape Reel

78DXXAL-TNA-T 78DXXAG-TNA-T TO-252-3 I G O Tube

Note: Pin Code: I: Input G: GND O: Output

78DXXA

LINEAR INTEGRATED CIRCUIT

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 MARKING INFORMATION

PACKAGE VOLTAGE CODE MARKING

SOT-223 05:

06:

08:

09:

10:

12:

15:

18:

5V

6V

8V

9V

10V

12V

15V

18V

TO-251

TO-252

TO-252-3

78DXXA

LINEAR INTEGRATED CIRCUIT

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 BLOCK DIAGRAM

3

1

2

GND

OUTPUT

INPUT

R13 R17 R9 Z2 T12

T14

R19

R18

R12

R11 R10

R8

T8 T9

T13

T10

R14

T11 T5

T6

R5

T4

Z1

R15

T15

R16 R1 R2

R4

C1

R6

T7

T3

T1 T2

R3

R7

 APPLICATION CIRCUIT

Note: Bypass capacitors are recommended for optimum stability and transient response and should be located

as close as possible to the regulators.

78DXXA

LINEAR INTEGRATED CIRCUIT

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 ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise specified)

PARAMETER SYMBOL RATINGS UNIT

Input Voltage VIN 35 V

Output Current IOUT 1 A

Power Dissipation (TC=25°C)

SOT-223

PD

8.3

W

TO-251/TO-252

TO-252-3 10

Junction Temperature TJ +150 °C

Operating Temperature TOPR -40 ~ +85 °C

Storage Temperature TSTG -55 ~ +150 °C

Notes: 1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The

device could be damaged beyond Absolute maximum ratings.

2. The maximum steady state usable output current are dependent on input voltage, heat sinking, lead

length of the package and copper pattern of PCB. The data are showed as electrical characteristics table

represents pulse test conditions with junction temperatures specified at the initiation of test.

 THERMAL DATA

PARAMETER SYMBOL RATINGS UNIT

Junction to Ambient

SOT-223

θJA

150

°C/W

TO-251/TO-252

TO-252-3 112

Junction to Case

SOT-223

θJC

15

°C/W

TO-251/TO-252

TO-252-3 12.5

 ELECTRICAL CHARACTERISTICS

(TJ=25°C, CI =0.33uF, CO=0.1uF, PD≤15W, unless otherwise specified)

For 78D05A (VIN =10V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 4.80 5.0 5.20 V

VIN =7.5~20V, IOUT =5mA~1.0A 4.75 5.25 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 50 mV

IOUT =0.25A~0.75A 25 mV

Line Regulation ΔVOUT VIN =7~25V 50 mV

VIN =7.5~20V, IOUT =1.0A 50 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =7.5~20V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 40 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -0.6 mV/°C

Ripple Rejection RR VIN =8~18V,f=120Hz 62 80 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

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LINEAR INTEGRATED CIRCUIT

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 ELECTRICAL CHARACTERISTICS(Cont.)

For 78D06A (VIN =11V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 5.76 6.0 6.24 V

VIN =8.5~21V, IOUT =5mA~1.0A 5.7 6.3 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 60 mV

IOUT =0.25A~0.75A 30 mV

Line Regulation ΔVOUT VIN =8~25V 60 mV

VIN =8.5~21V, IOUT =1.0A 60 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =8.5~21V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 45 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -0.7 mV/°C

Ripple Rejection RR VIN =9~19V,f=120Hz 59 75 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

For 78D07A (VIN =13V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 6.72 7.0 7.28 V

VIN =9.5~22V, IOUT =5mA~1.0A 6.65 7.35 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 70 mV

IOUT =0.25A~0.75A 35 mV

Line Regulation ΔVOUT VIN =9~25V 70 mV

VIN =9.5~22V, IOUT =1.0A 70 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =9.5~22V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 50 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -0.8 mV/°C

Ripple Rejection RR VIN =10~20V,f=120Hz 59 75 dB

Peak Output Current IPEAK 1.7 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

For 78D08A (VIN =14V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 7.68 8.0 8.32 V

VIN =10.5~23V, IOUT =5mA~1.0A 7.6 8.4 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 80 mV

IOUT =0.25A~0.75A 40 mV

Line Regulation ΔVOUT VIN =10.5~25V 80 mV

VIN =10.5~23V, IOUT =1.0A 80 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =10.5~23V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 58 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -0.9 mV/°C

Ripple Rejection RR VIN =11.5~21.5V,f=120Hz 56 72 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

78DXXA

LINEAR INTEGRATED CIRCUIT

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 ELECTRICAL CHARACTERISTICS(Cont.)

For 78D09A (VIN =15V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 8.64 9.0 9.36 V

VIN =11.5~24V, IOUT =5mA~1.0A 8.55 9.45 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 90 mV

IOUT =0.25A~0.75A 45 mV

Line Regulation ΔVOUT VIN =11.5~25V 90 mV

VIN =11.5~24V, IOUT =1.0A 90 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =11.5~24V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 58 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -1.1 mV/°C

Ripple Rejection RR VIN =12.5~22.5V,f=120Hz 56 72 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

For 78D10A (VIN =16V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 9.60 10.0 10.40 V

VIN =12.5~25V, IOUT =5mA~1.0A 9.5 10.5 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 100 mV

IOUT =0.25A~0.75A 50 mV

Line Regulation ΔVOUT VIN =13~25V 100 mV

VIN =13~25V, IOUT =1.0A 100 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =12.6V~25V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 58 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -1.1 mV/°C

Ripple Rejection RR VIN =13~23V,f=120Hz 56 72 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

For 78D12A (VIN =19V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 11.52 12.0 12.48 V

VIN =14.5~27V, IOUT =5mA~1.0A 11.4 12.6 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 120 mV

IOUT =0.25A~0.75A 60 mV

Line Regulation ΔVOUT VIN =14.5~30V 120 mV

VIN =14.6~27V, IOUT =1.0A 120 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =14.5~30V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 75 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -1.5 mV/°C

Ripple Rejection RR VIN =15~25V,f=120Hz 55 72 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

78DXXA

LINEAR INTEGRATED CIRCUIT

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 ELECTRICAL CHARACTERISTICS(Cont.)

For 78D15A (VIN =23V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT =5mA~1.0A 14.40 15.0 15.6 V

VIN =17.5~30V, IOUT =5mA~1.0A 14.25 15.75 V

Load Regulation ΔVOUT IOUT =5mA~1.0A 150 mV

IOUT =0.25A~0.75A 75 mV

Line Regulation ΔVOUT VIN =18.5~30V 150 mV

VIN =17.7~30V, IOUT =1.0A 150 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =17.5~30V 1.0 mA

IOUT =5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 90 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -1.8 mV/°C

Ripple Rejection RR VIN =18.5~28.5V,f=120Hz 54 70 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

For 78D18A (VIN =27V, IOUT =0.5A)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Output Voltage VOUT IOUT=5mA~1.0A 17.28 18.0 18.72 V

VIN =21~33V, IOUT=5mA~1.0A 17.1 18.9 V

Load Regulation ΔVOUT IOUT=5mA~1.0A 180 mV

IOUT=0.25A~0.75A 90 mV

Line Regulation ΔVOUT VIN =21~33V 180 mV

VIN =21~33V, IOUT =1.0A 180 mV

Quiescent Current IQ I

OUT≤1.0A 8.0 mA

Quiescent Current Change ΔIQ VIN =21.5~33V 1.0 mA

IOUT=5mA~1.0A 0.5 mA

Output Noise Voltage eN 10Hz≤f≤100kHz 110 μV

Temperature coefficient of VOUT ΔVOUT/ΔTI

OUT =5mA -2.2 mV/°C

Ripple Rejection RR VIN =22~32V,f=120Hz 53 69 dB

Peak Output Current IPEAK 1.8 A

Short-Circuit Current ISC V

IN =35V 250 mA

Dropout Voltage VD 2.0 V

78DXXA

LINEAR INTEGRATED CIRCUIT

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 TYPICAL CHARACTERISTICS

0

268

2

4

6

Output Voltage vs. Input Voltage

Output Voltage, VOUT (V)

Input Voltage, VIN (V)

01 3 4 5 7

1

3

5

IOUT=0A

VOUT=5V

CIN=0.33uF

COUT=0.1uF

TA: Room Temprature

IOUT=0.25A

IOUT=1A

012345678

0

1

2

3

4

5

6

Input Voltage, VIN (V)

Circuit Operating Current, IBIAS (mA)

Circuit Operating Current vs. Input Voltage

IOUT=0A

IOUT=0.25A

IOUT=1A

VOUT=5V

CIN=0.33uF

COUT=0.1uF

TA: Room Temprature

0

2

4

6

Bias Current vs. Junction Temperature

Bias Current, IB(mA)

Junction Temperature, TJ(°C)

-25

1

3

5

-5 15 35 55 75 95 115 135 155

VIN=10V

IOUT=0A

4.5

Output Voltage vs. Junction Temperature

Output Voltage, VOUT (V)

Junction Temperature, TJ(°C)

-25 -5 15 35 55 75 95 115 135 155

4.6

4.7

4.8

4.9

5.1

5.2

5.3

5.4

5.5

VIN=10V

IOUT=5.0mA

5.0

Short Current, ISC (A)

Dropout Voltage, VD (V)

78DXXA

LINEAR INTEGRATED CIRCUIT

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 TYPICAL CHARACTERISTICS(Cont.)

Output Voltage

Deviation (mV)

Load Current

(mA)

Output Voltage

Deviation (mV)

Input Voltage

Change (V)

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.