µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 D D D 3-Terminal Regulators Output Current up to 1.5 A Internal Thermal-Overload Protection D D D High Power-Dissipation Capability Internal Short-Circuit Current Limiting Output Transistor Safe-Area Compensation COMMON KC (TO-220) PACKAGE (TOP VIEW) KTE PACKAGE (TOP VIEW) COMMON OUTPUT COMMON INPUT COMMON KCS (TO-220) PACKAGE (TOP VIEW) OUTPUT COMMON INPUT OUTPUT COMMON INPUT description/ordering information This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. Each of these regulators can deliver up to 1.5 A of output current. The internal current-limiting and thermal-shutdown features of these regulators essentially make them immune to overload. In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents, and also can be used as the power-pass element in precision regulators. ORDERING INFORMATION TJ VO(NOM) (V) 5 8 10 0°C to 125°C 12 15 24 ORDERABLE PART NUMBER PACKAGE† TOP-SIDE MARKING POWER-FLEX (KTE) Reel of 2000 µA7805CKTER µA7805C TO-220 (KC) Tube of 50 µA7805CKC TO-220, short shoulder (KCS) Tube of 20 µA7805CKCS POWER-FLEX (KTE) Reel of 2000 µA7808CKTER TO-220 (KC) Tube of 50 µA7808CKC TO-220, short shoulder (KCS) Tube of 20 µA7808CKCS POWER-FLEX (KTE) Reel of 2000 µA7810CKTER µA7810C TO-220 (KC) Tube of 50 µA7810CKC µA7810C POWER-FLEX (KTE) Reel of 2000 µA7812CKTER µA7812C TO-220 (KC) Tube of 50 µA7812CKC TO-220, short shoulder (KCS) Tube of 20 µA7812CKCS POWER-FLEX (KTE) Reel of 2000 µA7815CKTER TO-220 (KC) Tube of 50 µA7815CKC TO-220, short shoulder (KCS) Tube of 20 µA7815CKCS POWER-FLEX (KTE) Reel of 2000 µA7824CKTER µA7805C µA7808C µA7808C µA7812C µA7815C µA7815C µA7824C µA7824C † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. TO-220 (KC) Tube of 50 µA7824CKC 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. Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 schematic INPUT OUTPUT COMMON absolute maximum ratings over virtual junction temperature range (unless otherwise noted)† Input voltage, VI: µA7824C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V All others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V Operating virtual junction temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. package thermal data (see Note 1) POWER-FLEX (KTE) High K, JESD 51-5 θJC 3°C/W TO-220 (KC/KCS) High K, JESD 51-5 3°C/W PACKAGE BOARD θJA 23°C/W 19°C/W NOTE 1: Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 recommended operating conditions VI IO TJ Input voltage MIN MAX µA7805C 7 25 µA7808C 10.5 25 µA7810C 12.5 28 µA7812C 14.5 30 µA7815C 17.5 30 µA7824C 27 38 1.5 A 0 125 °C Output current µA7800C series Operating virtual junction temperature UNIT V electrical characteristics at specified virtual junction temperature, VI = 10 V, IO = 500 mA (unless otherwise noted) PARAMETER Output voltage IO = 5 mA to 1 A,, PD ≤ 15 W Input voltage regulation VI = 7 V to 25 V VI = 8 V to 12 V Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage TJ† TEST CONDITIONS VI = 8 V to 18 V, IO = 5 mA to 1.5 A IO = 5 mA f = 10 Hz to 100 kHz Dropout voltage IO = 1 A TYP 25°C 4.8 5 0°C to 125°C 4.75 VI = 7 V to 20 V,, 25°C f = 120 Hz IO = 250 mA to 750 mA f = 1 kHz Output noise voltage 0°C to 125°C 25°C VI = 7 V to 25 V IO = 5 mA to 1 A 62 MAX 5.2 5.25 3 100 1 50 78 UNIT V mV dB 15 100 5 50 mV 0°C to 125°C 0.017 Ω 0°C to 125°C –1.1 mV/°C Bias current Bias current change µA7805C MIN 25°C 40 µV 25°C 2 V 25°C 4.2 8 1.3 0°C to t 125°C 0.5 Short-circuit output current 25°C 750 Peak output current 25°C 2.2 mA mA mA A † Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 electrical characteristics at specified virtual junction temperature, VI = 14 V, IO = 500 mA (unless otherwise noted) PARAMETER TEST CONDITIONS Output voltage IO = 5 mA to 1 A,, PD ≤ 15 W Input voltage regulation VI = 10.5 V to 25 V VI = 11 V to 17 V Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage VI = 11.5 V to 21.5 V, IO = 5 mA to 1.5 A VI = 10.5 V to 23 V,, Output noise voltage Dropout voltage IO = 1 A f = 120 Hz TYP MAX 25°C 7.7 8 8.3 0°C to 125°C 7.6 0°C to 125°C 55 25°C Bias current Bias current change MIN 25°C IO = 250 mA to 750 mA f = 1 kHz IO = 5 mA f = 10 Hz to 100 kHz µA7808C TJ† VI = 10.5 V to 25 V IO = 5 mA to 1 A 8.4 6 160 2 80 72 UNIT V mV dB 12 160 4 80 mV 0°C to 125°C 0.016 Ω 0°C to 125°C –0.8 mV/°C 25°C 52 µV 25°C 2 V 25°C 4.3 8 1 0°C to 125°C 0.5 Short-circuit output current 25°C 450 Peak output current 25°C 2.2 mA mA mA A † Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. electrical characteristics at specified virtual junction temperature, VI = 17 V, IO = 500 mA (unless otherwise noted) PARAMETER TEST CONDITIONS Output voltage IO = 5 mA to 1 A,, PD ≤ 15 W Input voltage regulation VI = 12.5 V to 28 V VI = 14 V to 20 V Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage VI = 13 V to 23 V, IO = 5 mA to 1.5 A VI = 12.5 V to 25 V,, IO = 5 mA f = 10 Hz to 100 kHz Dropout voltage IO = 1 A f = 120 Hz TYP MAX 25°C 9.6 10 10.4 0°C to 125°C 9.5 10 10.5 7 200 2 100 0°C to 125°C 25°C Bias current Bias current change MIN 25°C IO = 250 mA to 750 mA f = 1 kHz Output noise voltage µA7810C TJ† VI = 12.5 V to 28 V IO = 5 mA to 1 A 55 71 UNIT V mV dB 12 200 4 100 mV Ω 0°C to 125°C 0.018 0°C to 125°C –1 mV/°C 25°C 70 µV 25°C 2 V 25°C 4.3 8 1 0°C to 125°C 0.5 Short-circuit output current 25°C 400 Peak output current 25°C 2.2 mA mA mA A † Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 electrical characteristics at specified virtual junction temperature, VI = 19 V, IO = 500 mA (unless otherwise noted) PARAMETER Output voltage IO = 5 mA to 1 A,, PD ≤ 15 W Input voltage regulation VI = 14.5 V to 30 V VI = 16 V to 22 V Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage VI = 15 V to 25 V, IO = 5 mA to 1.5 A MIN TYP MAX 25°C 11.5 12 12.5 0°C to 125°C 11.4 VI = 14.5 V to 27 V,, 25°C f = 120 Hz Output noise voltage Dropout voltage IO = 1 A 0°C to 125°C VI = 14.5 V to 30 V IO = 5 mA to 1 A 12.6 10 240 3 120 71 UNIT V mV dB 12 240 4 120 mV Ω 0°C to 125°C 0.018 0°C to 125°C –1 mV/°C 25°C 75 µV 25°C 2 V 25°C 4.3 Bias current Bias current change 55 25°C IO = 250 mA to 750 mA f = 1 kHz IO = 5 mA f = 10 Hz to 100 kHz µA7812C TJ† TEST CONDITIONS 8 1 0°C to t 125°C 0.5 Short-circuit output current 25°C 350 Peak output current 25°C 2.2 mA mA mA A † Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. electrical characteristics at specified virtual junction temperature, VI = 23 V, IO = 500 mA (unless otherwise noted) PARAMETER Output voltage IO = 5 mA to 1 A,, PD ≤ 15 W Input voltage regulation VI = 17.5 V to 30 V VI = 20 V to 26 V Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage TJ† TEST CONDITIONS VI = 18.5 V to 28.5 V, IO = 5 mA to 1.5 A IO = 5 mA f = 10 Hz to 100 kHz Dropout voltage IO = 1 A TYP 25°C 14.4 15 0°C to 125°C 14.25 VI = 17.5 V to 30 V,, 25°C f = 120 Hz IO = 250 mA to 750 mA f = 1 kHz Output noise voltage 0°C to 125°C 25°C VI = 17.5 V to 30 V IO = 5 mA to 1 A 54 MAX 15.6 15.75 11 300 3 150 70 UNIT V mV dB 12 300 4 150 mV Ω 0°C to 125°C 0.019 0°C to 125°C –1 mV/°C 25°C 90 µV 25°C 2 V 25°C 4.4 Bias current Bias current change µA7815C MIN 8 1 0°C to 125°C 0.5 Short-circuit output current 25°C 230 Peak output current 25°C 2.1 mA mA mA A † Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 electrical characteristics at specified virtual junction temperature, VI = 33 V, IO = 500 mA (unless otherwise noted) PARAMETER TEST CONDITIONS Output voltage IO = 5 mA to 1 A,, PD ≤ 15 W Input voltage regulation VI = 27 V to 38 V VI = 30 V to 36 V Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage VI = 28 V to 38 V, IO = 5 mA to 1.5 A VI = 27 V to 38 V,, Output noise voltage Dropout voltage IO = 1 A µA7824C MIN TYP 23 24 22.8 25°C f = 120 Hz 0°C to 125°C 25°C Bias current Bias current change 25°C 0°C to 125°C IO = 250 mA to 750 mA f = 1 kHz IO = 5 mA f = 10 Hz to 100 kHz TJ† VI = 27 V to 38 V IO = 5 mA to 1 A 50 MAX 25 25.2 18 480 6 240 66 UNIT V mV dB 12 480 4 240 mV 0°C to 125°C 0.028 Ω 0°C to 125°C –1.5 mV/°C 25°C 170 µV 25°C 2 V 25°C 4.6 8 1 0°C to 125°C 0.5 Short-circuit output current 25°C 150 Peak output current 25°C 2.1 mA mA mA A † Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 APPLICATION INFORMATION µA78xx +V +VO 0.33 µF 0.1 µF Figure 1. Fixed-Output Regulator IN + OUT µA78xx VI G IL COM –VO – Figure 2. Positive Regulator in Negative Configuration (VI Must Float) Input µA78xx Output R1 IO 0.33 µF 0.1 µF R2 ǒ )Ǔ NOTE A: The following formula is used when Vxx is the nominal output voltage (output to common) of the fixed regulator: VO +V ) xx V xx R1 I Q R2 Figure 3. Adjustable-Output Regulator µA78xx Input 0.33 µF R1 VO(Reg) Output IO IO = (VO/R1) + IO Bias Current Figure 4. Current Regulator POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7 µA7800 SERIES POSITIVE-VOLTAGE REGULATORS SLVS056J – MAY 1976 – REVISED MAY 2003 APPLICATION INFORMATION 1N4001 µA7815C 20-V Input VO = 15 V 0.33 µF 0.1 µF 0.1 µF 1 µF 2 µF 1N4001 1N4001 µA7915C –20-V Input VO = –15 V 1N4001 Figure 5. Regulated Dual Supply operation with a load common to a voltage of opposite polarity In many cases, a regulator powers a load that is not connected to ground but, instead, is connected to a voltage source of opposite polarity (e.g., operational amplifiers, level-shifting circuits, etc.). In these cases, a clamp diode should be connected to the regulator output as shown in Figure 6. This protects the regulator from output polarity reversals during startup and short-circuit operation. µA78xx +VI +VO 1N4001 or Equivalent –VO Figure 6. Output Polarity-Reversal-Protection Circuit reverse-bias protection Occasionally, the input voltage to the regulator can collapse faster than the output voltage. This can occur, for example, when the input supply is crowbarred during an output overvoltage condition. If the output voltage is greater than approximately 7 V, the emitter-base junction of the series-pass element (internal or external) could break down and be damaged. To prevent this, a diode shunt can be used as shown in Figure 7. VI µA78xx +VO Figure 7. Reverse-Bias-Protection Circuit 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 1-Mar-2005 PACKAGING INFORMATION Orderable Device Status (1) Package Type UA7805CKC ACTIVE TO-220 KC 3 50 None Call TI Level-1-220C-UNLIM UA7805CKCS ACTIVE TO-220 KCS 3 50 None Call TI Level-NC-NC-NC 2000 Package Drawing Pins Package Eco Plan (2) Qty Lead/Ball Finish MSL Peak Temp (3) UA7805CKTER ACTIVE PFM KTE 3 None Call TI Level-1-220C-UNLIM UA7805QKC OBSOLETE TO-220 KC 3 None Call TI Call TI UA7805QKTE OBSOLETE PFM KTE 3 None Call TI Call TI UA7806CKC OBSOLETE TO-220 KC 3 None Call TI Call TI UA7806CKTER OBSOLETE PFM KTE 3 None Call TI Call TI UA7806QKTE OBSOLETE PFM KTE 3 None Call TI Call TI UA7806QKTER OBSOLETE PFM KTE 3 None Call TI Call TI UA7808CKC ACTIVE TO-220 KC 3 50 None Call TI Level-1-220C-UNLIM UA7808CKCS ACTIVE TO-220 KCS 3 50 None Call TI Level-NC-NC-NC UA7808CKTER ACTIVE PFM KTE 3 2000 None Call TI Level-1-220C-UNLIM UA7808QKTE OBSOLETE PFM KTE 3 None Call TI Call TI UA7810CKC ACTIVE TO-220 KC 3 50 None Call TI Level-1-220C-UNLIM UA7810CKCS ACTIVE TO-220 KCS 3 50 None CU UA7810CKTER ACTIVE PFM KTE 3 2000 None Call TI Level-NC-NC-NC Level-1-220C-UNLIM UA7810QKTE OBSOLETE PFM KTE 3 None Call TI Call TI UA7812CKC ACTIVE TO-220 KC 3 50 None Call TI Level-1-220C-UNLIM UA7812CKCS ACTIVE TO-220 KCS 3 50 None Call TI Level-NC-NC-NC UA7812CKTER ACTIVE PFM KTE 3 2000 None Call TI Level-1-220C-UNLIM UA7812QKTE OBSOLETE PFM KTE 3 None Call TI Call TI UA7815CKC ACTIVE TO-220 KC 3 50 None Call TI Level-1-220C-UNLIM UA7815CKCS ACTIVE TO-220 KCS 3 50 None Call TI Level-NC-NC-NC UA7815CKTER ACTIVE PFM KTE 3 2000 None Call TI Level-1-220C-UNLIM UA7815QKTE OBSOLETE PFM KTE 3 None Call TI Call TI UA7818CKC OBSOLETE TO-220 KC 3 None Call TI Call TI UA7818CKTER OBSOLETE PFM KTE 3 None Call TI Call TI Level-1-220C-UNLIM UA7824CKC ACTIVE TO-220 KC 3 50 None Call TI UA7824CKCS ACTIVE TO-220 KCS 3 50 None CU UA7824CKTER ACTIVE PFM KTE 3 2000 None Call TI Level-1-220C-UNLIM Level-NC-NC-NC UA7885CKC OBSOLETE TO-220 KC 3 None Call TI Call TI UA7885CKTER OBSOLETE PFM KTE 3 None Call TI Call TI UA7885QKTE OBSOLETE PFM KTE 3 None Call TI Call TI (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 - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. None: Not yet available Lead (Pb-Free). Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 1-Mar-2005 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. Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens, including bromine (Br) or antimony (Sb) above 0.1% of total product weight. (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 2 MECHANICAL DATA MPFM001E – OCTOBER 1994 – REVISED JANUARY 2001 KTE (R-PSFM-G3) PowerFLEX PLASTIC FLANGE-MOUNT 0.375 (9,52) 0.080 (2,03) 0.070 (1,78) 0.365 (9,27) 0.360 (9,14) 0.050 (1,27) 0.040 (1,02) 0.350 (8,89) 0.220 (5,59) NOM 0.010 (0,25) NOM Thermal Tab (See Note C) 0.360 (9,14) 0.350 (8,89) 0.295 (7,49) NOM 0.320 (8,13) 0.310 (7,87) 0.420 (10,67) 0.410 (10,41) 1 3 0.025 (0,63) 0.031 (0,79) 0.100 (2,54) Seating Plane 0.004 (0,10) 0.010 (0,25) M 0.005 (0,13) 0.001 (0,03) 0.200 (5,08) 0.041 (1,04) 0.031 (0,79) 0.010 (0,25) NOM Gage Plane 3°– 6° 0.010 (0,25) 4073375/F 12/00 NOTES: A. B. C. D. E. All linear dimensions are in inches (millimeters). This drawing is subject to change without notice. The center lead is in electrical contact with the thermal tab. Dimensions do not include mold protrusions, not to exceed 0.006 (0,15). Falls within JEDEC MO-169 PowerFLEX is a trademark of Texas Instruments. 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