LM7805C, LM7812C, LM7815C www.ti.com SNOSBR7D - MAY 2000 - REVISED APRIL 2013 LM78XX Series Voltage Regulators Check for Samples: LM7805C, LM7812C, LM7815C FEATURES 1 * * * * * * 2 Output Current in Excess of 1A Internal Thermal Overload Protection No External Components Required Output Transistor Safe Area Protection Internal Short Circuit Current Limit Available in the Aluminum TO-3 Package DESCRIPTION The LM78XX series of three terminal regulators is available with several fixed output voltages making them useful in a wide range of applications. One of these is local on card regulation, eliminating the distribution problems associated with single point regulation. The voltages available allow these regulators to be used in logic systems, instrumentation, HiFi, and other solid state electronic equipment. Although designed primarily as fixed voltage regulators these devices can be used with external components to obtain adjustable voltages and currents. The LM78XX series is available in an aluminum TO-3 package which will allow over 1.0A load current if adequate heat sinking is provided. Current limiting is included to limit the peak output current to a safe value. Safe area protection for the output transistor is provided to limit internal power dissipation. If internal power dissipation becomes too high for the heat sinking provided, the thermal shutdown circuit takes over preventing the IC from overheating. Considerable effort was expanded to make the LM78XX series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply. For output voltage other than 5V, 12V and 15V the LM117 series provides an output voltage range from 1.2V to 57V. VOLTAGE RANGE * * * LM7805C: 5V LM7812C: 12V LM7815C: 15V Connection Diagrams Figure 1. Metal Can Package TO-3 Aluminum Bottom View Figure 2. Plastic Package TO-220 (NDE) Top View See Package Number NDE0003B 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright (c) 2000-2013, Texas Instruments Incorporated LM7805C, LM7812C, LM7815C SNOSBR7D - MAY 2000 - REVISED APRIL 2013 www.ti.com SCHEMATIC DIAGRAM 2 Submit Documentation Feedback Copyright (c) 2000-2013, Texas Instruments Incorporated Product Folder Links: LM7805C LM7812C LM7815C LM7805C, LM7812C, LM7815C www.ti.com SNOSBR7D - MAY 2000 - REVISED APRIL 2013 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. ABSOLUTE MAXIMUM RATINGS (1) (2) Input Voltage (VO = 5V, 12V and 15V) 35V Internal Power Dissipation (3) Internally Limited Operating Temperature Range (TA) 0C to +70C (TO-3 Package) Maximum Junction Temperature 150C (NDE Package) 150C -65C to +150C Storage Temperature Range Lead Temperature (Soldering, 10 sec.) (1) (2) (3) TO-3 Package 300C TO-220 Package NDE 230C Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For ensured specifications and the test conditions, see Electrical Characteristics. If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and specifications. Thermal resistance of the TO-3 package is typically 4C/W junction to case and 35C/W case to ambient. Thermal resistance of the TO220 package (NDE) is typically 4C/W junction to case and 50C/W case to ambient. ELECTRICAL CHARACTERISTICS LM78XXC (1) 0C TJ 125C unless otherwise noted. Symbol VO Output Voltage 5V 12V 15V Input Voltage (unless otherwise noted) 10V 19V 23V Parameter Output Voltage Conditions Min Typ Max Min Typ Max Min Typ Max Tj = 25C, 5 mA IO 1A 4.8 5 5.2 11.5 12 12.5 14.4 15 15.6 V PD 15W, 5 mA IO 1A 4.75 5.25 11.4 12.6 14.2 15.7 V 5 5 VMIN VIN VMAX VO Line Regulation IO = 500 mA Tj = 25C VIN (7.5 VIN 20) (14.5 VIN 27) (17.5 VIN 30) V 3 4 4 mV VIN IO 1A Load Regulation Tj = 25C 5 mA IO 1.5A 250 mA IO 750 mA 5 mA IO 1A, 0C Tj +125C IQ Quiescent Current IO 1A Tj = 25C Quiescent Current Change 120 150 (7.5 VIN 20) (14.6 VIN 27) (17.7 VIN 30) 25 60 75 mV V mV V mV (8 VIN 12) (16 VIN 22) (20 VIN 26) V 10 12 12 50 150 mV 25 120 60 75 mV 50 120 150 mV 8 8 8 mA 8.5 8.5 mA 5 mA IO 1A 0.5 0.5 0.5 mA Tj = 25C, IO 1A 1.0 1.0 1.0 mA (14.8 VIN 27) (17.9 VIN 30) 1.0 1.0 (14.5 VIN 30) (17.5 VIN 30) VMIN VIN VMAX IO 500 mA, 0C Tj +125C VMIN VIN VMAX (1) 150 (18.5 VIN 30) V 8.5 0C Tj +125C IQ (17.5 VIN 30) 120 (15 VIN 27) 150 50 0C Tj +125C VIN 120 14.5 VIN 30) 50 (8 VIN 20) Tj = 25C VIN 50 (7 VIN 25) 0C Tj +125C VO Units (7.5 VIN 20) 1.0 (7 VIN 25) V mA V All characteristics are measured with capacitor across the input of 0.22 F, and a capacitor across the output of 0.1F. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw 10 ms, duty cycle 5%). Output voltage changes due to changes in internal temperature must be taken into account separately. Copyright (c) 2000-2013, Texas Instruments Incorporated Product Folder Links: LM7805C LM7812C LM7815C Submit Documentation Feedback 3 LM7805C, LM7812C, LM7815C SNOSBR7D - MAY 2000 - REVISED APRIL 2013 www.ti.com ELECTRICAL CHARACTERISTICS LM78XXC(1) (continued) 0C TJ 125C unless otherwise noted. Output Voltage 5V Input Voltage (unless otherwise noted) Symbol VN Parameter Output Noise Voltage Ripple Rejection Conditions VIN/ VOUT VIN Typ 62 IO 500 mA 62 15V 19V Max Min 40 IO 1A, Tj = 25C or 80 Typ 23V Max Min 75 55 72 55 54 Typ Units Max 90 V 70 dB 54 dB 0C Tj +125C VMIN VIN VMAX RO 10V Min TA =25C, 10 Hz f 100 kHz f = 120 Hz 12V (8 VIN 18) (15 VIN 25) (18.5 VIN 28.5) 2.0 2.0 2.0 V 8 18 19 m Short-Circuit Current Tj = 25C 2.1 1.5 1.2 A Peak Output Current Tj = 25C 2.4 2.4 2.4 A Average TC of VOUT 0C Tj +125C, IO = 5 mA 0.6 1.5 1.8 mV/C Dropout Voltage Tj = 25C, IOUT = 1A Output Resistance f = 1 kHz V Input Voltage Required to Maintain Tj = 25C, IO 1A 7.5 14.6 17.7 V Line Regulation 4 Submit Documentation Feedback Copyright (c) 2000-2013, Texas Instruments Incorporated Product Folder Links: LM7805C LM7812C LM7815C LM7805C, LM7812C, LM7815C www.ti.com SNOSBR7D - MAY 2000 - REVISED APRIL 2013 TYPICAL PERFORMANCE CHARACTERISTICS Maximum Average Power Dissipation Maximum Average Power Dissipation Figure 3. Figure 4. Peak Output Current Output Voltage (Normalized to 1V at TJ = 25C) Figure 5. Figure 6. Ripple Rejection Ripple Rejection Figure 7. Figure 8. Copyright (c) 2000-2013, Texas Instruments Incorporated Product Folder Links: LM7805C LM7812C LM7815C Submit Documentation Feedback 5 LM7805C, LM7812C, LM7815C SNOSBR7D - MAY 2000 - REVISED APRIL 2013 www.ti.com TYPICAL PERFORMANCE CHARACTERISTICS (continued) Output Impedance Dropout Voltage Figure 9. Figure 10. Dropout Characteristics Quiescent Current Figure . Figure 11. Quiescent Current Figure 12. 6 Submit Documentation Feedback Copyright (c) 2000-2013, Texas Instruments Incorporated Product Folder Links: LM7805C LM7812C LM7815C LM7805C, LM7812C, LM7815C www.ti.com SNOSBR7D - MAY 2000 - REVISED APRIL 2013 REVISION HISTORY Changes from Revision C (April 2013) to Revision D * Page Changed layout of National Data Sheet to TI format ............................................................................................................ 6 Copyright (c) 2000-2013, Texas Instruments Incorporated Product Folder Links: LM7805C LM7812C LM7815C Submit Documentation Feedback 7 PACKAGE OPTION ADDENDUM www.ti.com 11-Feb-2015 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (C) Device Marking (4/5) LM7805CT ACTIVE TO-220 NDE 3 45 TBD Call TI Call TI 0 to 70 LM340T5 7805 P+ LM7805CT/NOPB ACTIVE TO-220 NDE 3 45 Pb-Free (RoHS Exempt) CU SN Level-1-NA-UNLIM 0 to 70 LM340T5 7805 P+ LM7815CT/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM 0 to 70 LM340T15 7815 P+ (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. 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