LM78XX/LM78XXA LM78XX LM7805CT LM7806CT LM7808CT LM7809CT LM7810CT LM7812CT - Datasheet Archive

 

3-Terminal 1A Positive Voltage Regulator Features · · · · · General Description Output Current

 

LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Features · · · · · General Description Output Current up to 1A Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24 Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area Protection The LM78XX LM78XX series of three terminal positive regulators are available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. Ordering Information Product Number Output Voltage Tolerance Package Operating Temperature LM7805CT LM7805CT ±4% TO-220 -40°C to +125°C LM7806CT LM7806CT LM7808CT LM7808CT LM7809CT LM7809CT LM7810CT LM7810CT LM7812CT LM7812CT LM7815CT LM7815CT LM7818CT LM7818CT LM7824CT LM7824CT LM7805ACT LM7805ACT 0°C to +125°C ±2% LM7806ACT LM7806ACT LM7808ACT LM7808ACT LM7809ACT LM7809ACT LM7810ACT LM7810ACT LM7812ACT LM7812ACT LM7815ACT LM7815ACT LM7818ACT LM7818ACT LM7824ACT LM7824ACT © 2010 Fairchild Semiconductor Corporation LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com 1 LM78XX/LM78XXA LM78XX/LM78XXA - 3-Terminal 1A Positive Voltage Regulator April 2010 LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Block Diagram Input Series Pass Element 1 Current Generator Starting Circuit Output 3 SOA Protection Reference Voltage Error Amplifier Thermal Protection GND 2 Figure 1. Pin Assignment TO-220 GND 1. Input 2. GND 3. Output 1 Figure 2. Absolute Maximum Ratings Absolute maximum ratings are those values beyond which damage to the device may occur. The datasheet specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation outside datasheet specifications. Symbol Input Voltage Value Unit VO = 5V to 18V 35 V VO = 24V VI Parameter 40 V RJC Thermal Resistance Junction-Cases (TO-220) 5 °C/W RJA Thermal Resistance Junction-Air (TO-220) 65 °C/W TOPR Operating Temperature Range -40 to +125 °C TSTG LM78xx LM78xxA Storage Temperature Range -65 to +150 2 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 0 to +125 °C www.fairchildsemi.com Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 10V, CI = 0.1µF, unless otherwise specified. Symbol Typ. Max. Unit TJ = +25°C 4.8 5.0 5.2 V 4.75 5.0 5.25 VO = 7V to 25V ­ 4.0 100 VI = 8V to 12V ­ 1.6 50.0 IO = 5mA to 1.5A ­ 9.0 100 IO = 250mA to 750mA ­ 4.0 50.0 ­ 5.0 8.0 mA Quiescent Current Change IO = 5mA to 1A ­ 0.03 0.5 mA VI = 7V to 25V Regline Min. 5mA IO 1A, PO 15W, VI = 7V to 20V VO Parameter ­ 0.3 1.3 IO = 5mA ­ -0.8 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 42.0 ­ µV/VO 62.0 73.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 15.0 ­ m VI = 35V, TA = +25°C ­ 230 ­ mA TJ = +25°C ­ 2.2 ­ A Output Voltage Line Regulation(1) Regload Load IQ IQ VO/T VN RR VDROP Regulation(1) Quiescent Current Output Voltage Drift(2) Output Noise Voltage Ripple Rejection(2) Dropout Voltage Resistance(2) rO Output ISC Short Circuit Current IPK (2) Peak Current Conditions TJ = +25°C TJ = +25°C TJ = +25°C f = 120Hz, VO = 8V to 18V mV mV Notes: 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 2. These parameters, although guaranteed, are not 100% tested in production. 3 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7805 LM7805) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 11V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Unit 5.75 6.0 6.25 V 5.7 6.0 6.3 VI = 8V to 25V ­ 5.0 120 ­ 1.5 60.0 IO = 5mA to 1.5A ­ 9.0 120 IO = 250mA to 750mA Regload Max. TJ = +25°C Line Regulation(3) Typ. VI = 9V to 13V Regline Conditions Output Voltage Min 5mA IO 1A, PO 15W, VI = 8.0V to 21V VO Parameter ­ 3.0 60.0 TJ = +25°C (3) Load Regulation TJ = +25°C mV mV IQ Quiescent Current TJ = +25°C ­ 5.0 8.0 mA IQ Quiescent Current Change IO = 5mA to 1A ­ ­ 0.5 mA VI = 8V to 25V ­ ­ 1.3 Output Voltage Drift IO = 5mA ­ -0.8 ­ mV/°C Output Noise Voltage f = 10Hz to 100kHz, TA = +25°C ­ 45.0 ­ µV/VO 62.0 73.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 19.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A VO/T VN RR VDROP (4) Ripple Rejection(4) Dropout Voltage Resistance(4) rO Output ISC Short Circuit Current IPK Current(4) Peak f = 120Hz, VO = 8V to 18V Notes: 3. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 4. These parameters, although guaranteed, are not 100% tested in production. 4 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7806 LM7806) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 14V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol (5) Regload Load Regulation Unit 7.7 8.0 8.3 V 7.6 8.0 8.4 VI = 10.5V to 25V ­ 5.0 160 ­ 2.0 80.0 IO = 5mA to 1.5A ­ 10.0 160 IO = 250mA to 750mA Line Regulation(5) Max. VI = 11.5V to 17V Regline Typ. TJ = +25°C Output Voltage Min. 5mA IO 1A, PO 15W, VI = 10.5V to 23V VO Parameter Conditions ­ 5.0 80.0 TJ = +25°C TJ = +25°C mV mV IQ VO/T VN RR VDROP Quiescent Current TJ = +25°C ­ 5.0 8.0 mA Quiescent Current Change IO = 5mA to 1A ­ 0.05 0.5 mA VI = 10.5V to 25V IQ ­ 0.5 1.0 IO = 5mA ­ -0.8 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 52.0 ­ µV/VO f = 120Hz, VO = 11.5V to 21.5V 56.0 73.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 17.0 ­ m VI = 35V, TA = +25°C ­ 230 ­ mA TJ = +25°C ­ 2.2 ­ A Output Voltage Drift(6) Output Noise Voltage Ripple Rejection(6) Dropout Voltage Resistance(6) rO Output ISC Short Circuit Current IPK Current(6) Peak Notes: 5. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 6. These parameters, although guaranteed, are not 100% tested in production. 5 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7808 LM7808) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 15V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Line Regulation(7) Max. Unit 8.65 9.0 9.35 V 8.6 9.0 9.4 ­ 6.0 180 ­ 2.0 90.0 ­ 12.0 180 ­ 4.0 90.0 ­ 5.0 8.0 mA ­ ­ 0.5 mA VI = 11.5V to 26V Regline Typ. TJ = +25°C Output Voltage Min. 5mA IO 1A, PO 15W, VI = 11.5V to 24V VO Parameter Conditions ­ ­ 1.3 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 58.0 ­ µV/VO 56.0 71.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 17.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A TJ = +25°C VI = 11.5V to 25V VI = 12V to 17V (7) Regload Load Regulation TJ = +25°C IO = 5mA to 1.5A IO = 250mA to 750mA IQ IQ VO/T VN RR VDROP Quiescent Current TJ = +25°C Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(8) Output Noise Voltage Ripple Rejection(8) Dropout Voltage Resistance(8) rO Output ISC Short Circuit Current IPK Current(8) Peak f = 120Hz, VO = 13V to 23V mV mV Notes: 7. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 8. These parameters, although guaranteed, are not 100% tested in production. 6 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7809 LM7809) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 16V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Min. Typ. Max. Unit TJ = +25°C 9.6 10.0 10.4 V 5mA IO 1A, PO 15W, VI = 12.5V to 25V 9.5 10.0 10.5 VI = 12.5V to 25V ­ 10.0 200 VI = 13V to 25V ­ 3.0 100 IO = 5mA to 1.5A ­ 12.0 200 IO = 250mA to 750mA ­ 4.0 400 ­ 5.1 8.0 mA ­ ­ 0.5 mA VI = 12.5V to 29V ­ ­ 1.0 Output Voltage Drift(10) IO = 5mA ­ -1.0 ­ mV/°C VN Output Noise Voltage f = 10Hz to 100kHz, TA = +25°C ­ 58.0 ­ µV/VO RR Ripple Rejection(10) f = 120Hz, VO = 13V to 23V 56.0 71.0 ­ dB Dropout Voltage IO = 1A, TJ = +25°C ­ 2.0 ­ V rO Output Resistance(10) f = 1kHz ­ 17.0 ­ m ISC Short Circuit Current VI = 35V, TA = +25°C ­ 250 ­ mA IPK Peak Current(10) TJ = +25°C ­ 2.2 ­ A VO Regline Parameter Output Voltage Line Regulation(9) Regload Load Regulation(9) IQ IQ VO/T VDROP Quiescent Current Conditions TJ = +25°C TJ = +25°C TJ = +25°C Quiescent Current Change IO = 5mA to 1A mV mV Notes: 9. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 10. These parameters, although guaranteed, are not 100% tested in production. 7 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7810 LM7810) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 19V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Line Regulation(11) Max. Unit 11.5 12.0 12.5 V 11.4 12.0 12.6 ­ 10.0 240 ­ 3.0 120 ­ 11.0 240 ­ 5.0 120 ­ 5.1 8.0 mA ­ 0.1 0.5 mA VI = 14.5V to 30V Regline Typ. TJ = +25°C Output Voltage Min. 5mA IO 1A, PO 15W, VI = 14.5V to 27V VO Parameter Conditions ­ 0.5 1.0 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 76.0 ­ µV/VO 55.0 71.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 18.0 ­ m VI = 35V, TA = +25°C ­ 230 ­ mA TJ = +25°C ­ 2.2 ­ A TJ = +25°C VI = 14.5V to 30V VI = 16V to 22V Regload (11) Load Regulation TJ = +25°C IO = 5mA to 1.5A IO = 250mA to 750mA IQ IQ VO/T VN RR VDROP Quiescent Current Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(12) Output Noise Voltage Ripple Rejection(12) Dropout Voltage Resistance(12) rO Output ISC Short Circuit Current IPK TJ = +25°C Peak Current(12) f = 120Hz, VI = 15V to 25V mV mV Notes: 11. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 12. These parameters, although guaranteed, are not 100% tested in production. 8 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7812 LM7812) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 23V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Line Regulation(13) Max. Unit 14.4 15.0 15.6 V 14.25 15.0 15.75 ­ 11.0 300 ­ 3.0 150 ­ 12.0 300 ­ 4.0 150 ­ 5.2 8.0 mA ­ ­ 0.5 mA VI = 17.5V to 30V Regline Typ. TJ = +25°C Output Voltage Min. 5mA IO 1A, PO 15W, VI = 17.5V to 30V VO Parameter Conditions ­ ­ 1.0 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 90.0 ­ µV/VO f = 120Hz, VI = 18.5V to 28.5V 54.0 70.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 19.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A TJ = +25°C VI = 17.5V to 30V VI = 20V to 26V (13) Regload Load Regulation TJ = +25°C IO = 5mA to 1.5A IO = 250mA to 750mA IQ IQ VO/T VN RR VDROP Quiescent Current Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(14) Output Noise Voltage Ripple Rejection(14) Dropout Voltage Resistance(14) rO Output ISC Short Circuit Current IPK TJ = +25°C Peak Current(14) mV mV Notes: 13. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 14. These parameters, although guaranteed, are not 100% tested in production. 9 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7815 LM7815) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 27V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Typ. Max. Unit TJ = +25°C 17.3 18.0 18.7 V 17.1 18.0 18.9 TJ = +25°C VI = 21V to 33V ­ 15.0 360 VI = 24V to 30V ­ 5.0 180 ­ 15.0 360 ­ 5.0 180 ­ 5.2 8.0 mA Quiescent Current Change IO = 5mA to 1A ­ ­ 0.5 mA VI = 21V to 33V Regline Min. 5mA IO 1A, PO 15W, VI = 21V to 33V VO Parameter ­ ­ 1.0 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 110 ­ µV/VO 53.0 69.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 22.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A Output Voltage Line Regulation(15) (15) Regload Load Regulation Conditions TJ = +25°C IO = 5mA to 1.5A IO = 250mA to 750mA IQ IQ VO/T VN RR VDROP Quiescent Current Output Voltage Drift(16) Output Noise Voltage Ripple Rejection(16) Dropout Voltage Resistance(16) rO Output ISC Short Circuit Current IPK Peak Current(16) TJ = +25°C f = 120Hz, VI = 22V to 32V mV mV Notes: 15. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 16. These parameters, although guaranteed, are not 100% tested in production. 10 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7818 LM7818) (Continued) Refer to the test circuits. -40°C < TJ < 125°C, IO = 500mA, VI = 33V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Typ. Max. Unit TJ = +25°C 23.0 24.0 25.0 V 22.8 24.0 25.25 VI = 27V to 38V ­ 17.0 480 VI = 30V to 36V ­ 6.0 240 IO = 5mA to 1.5A ­ 15.0 480 IO = 250mA to 750mA ­ 5.0 240 ­ 5.2 8.0 mA Quiescent Current Change IO = 5mA to 1A ­ 0.1 0.5 mA VI = 27V to 38V Regline Min. 5mA IO 1A, PO 15W, VI = 27V to 38V VO Parameter ­ 0.5 1.0 IO = 5mA ­ -1.5 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 60.0 ­ µV/VO 50.0 67.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V Output Voltage Line Regulation(17) (17) Regload Load Regulation IQ IQ VO/T VN RR VDROP Quiescent Current Output Voltage TJ = +25°C TJ = +25°C TJ = +25°C Drift(18) Output Noise Voltage Ripple Conditions Rejection(18) Dropout Voltage (18) f = 120Hz, VI = 28V to 38V mV mV rO Output Resistance f = 1kHz ­ 28.0 ­ m ISC Short Circuit Current VI = 35V, TA = +25°C ­ 230 ­ mA TJ = +25°C ­ 2.2 ­ A IPK Peak Current(18) Notes: 17. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 18. These parameters, although guaranteed, are not 100% tested in production. 11 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7824 LM7824) (Continued) Symbol Unit 4.9 5.0 5.1 V 4.8 5.0 5.2 VI = 7.5V to 25V, IO = 500mA ­ 5.0 50.0 ­ 3.0 50.0 VI = 7.3V to 20V ­ 5.0 50.0 VI = 8V to 12V ­ 1.5 25.0 TJ = +25°C, IO = 5mA to 1.5A ­ 9.0 100 IO = 5mA to 1A ­ 9.0 100 IO = 250mA to 750mA Line Regulation(19) Max. VI = 8V to 12V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 7.5V to 20V VO Parameter Conditions ­ 4.0 50.0 TJ = +25°C (19) Regload Load Regulation mV mV IQ Quiescent Current TJ = +25°C ­ 5.0 6.0 mA IQ Quiescent Current Change IO = 5mA to 1A ­ ­ 0.5 mA VI = 8V to 25V, IO = 500mA ­ ­ 0.8 VI = 7.5V to 20V, TJ = +25°C ­ ­ 0.8 IO = 5mA ­ -0.8 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 8V to 18V ­ 68.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 17.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A VO/T VN RR VDROP Output Voltage Drift(20) Output Noise Voltage Ripple Rejection(20) Dropout Voltage Resistance(20) rO Output ISC Short Circuit Current IPK Peak Current(20) Notes: 19. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 20. These parameters, although guaranteed, are not 100% tested in production. 12 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7805A LM7805A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 10V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol VO/T VN RR VDROP Conditions 6.0 6.24 VI = 8.6V to 25V, IO = 500mA ­ 5.0 60.0 ­ 3.0 60.0 VI = 8.3V to 21V ­ 5.0 60.0 ­ 1.5 30.0 TJ = +25°C, IO = 5mA to 1.5A ­ 9.0 100 ­ 9.0 100 ­ 5.0 50.0 TJ = +25°C ­ 4.3 6.0 mA ­ ­ 0.5 mA ­ ­ 0.8 ­ ­ 0.8 IO = 5mA ­ -0.8 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 9V to 19V ­ 65.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 17.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(22) Output Noise Voltage Ripple Rejection(22) Dropout Voltage Resistance(22) rO Output ISC Short Circuit Current IPK 5.76 VI = 8.5V to 21V, TJ = +25°C IQ Quiescent Current V VI = 19V to 25V, IO = 500mA IQ 6.12 IO = 250mA to 750mA Load Regulation 6.0 IO = 5mA to 1A Regload 5.58 VI = 9V to 13V (21) Unit TJ = +25°C Line Regulation(21) Max. VI = 9V to 13V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 8.6V to 21V VO Parameter Peak Current(22) mV mV Notes: 21. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 22. These parameters, although guaranteed, are not 100% tested in production. 13 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7806A LM7806A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 11V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol VO/T VN RR VDROP Conditions 8.0 8.3 VI = 10.6V to 25V, IO = 500mA ­ 6.0 80.0 ­ 3.0 80.0 VI = 10.4V to 23V ­ 6.0 80.0 ­ 2.0 40.0 TJ = +25°C, IO = 5mA to 1.5A ­ 12.0 100 ­ 12.0 100 ­ 5.0 50.0 TJ = +25°C ­ 5.0 6.0 mA ­ ­ 0.5 mA ­ ­ 0.8 ­ ­ 0.8 IO = 5mA ­ -0.8 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 11.5V to 21.5V ­ 62.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 18.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(24) Output Noise Voltage Ripple Rejection(24) Dropout Voltage Resistance(24) rO Output ISC Short Circuit Current IPK 7.7 VI = 10.6V to 23V, TJ = +25°C IQ Quiescent Current V VI = 11V to 25V, IO = 500mA IQ 8.16 IO = 250mA to 750mA Load Regulation 8.0 IO = 5mA to 1A Regload 7.84 VI = 11V to 17V (23) Unit TJ = +25°C Line Regulation(23) Max. VI = 11V to 17V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 10.6V to 23V VO Parameter Peak Current(24) mV mV Notes: 23. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 24. These parameters, although guaranteed, are not 100% tested in production. 14 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7808A LM7808A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 14V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Min. Typ. Max. Units TJ = +25°C 8.82 9.0 9.16 V IO = 5mA to 1A, PO 15W, VI = 11.2V to 24V 8.65 9.0 9.35 VI = 11.7V to 25V, IO = 500mA ­ 6.0 90.0 VI = 12.5V to 19V ­ 4.0 45.0 TJ = +25°C VI = 11.5V to 24V ­ 6.0 90.0 VI = 12.5V to 19V ­ 2.0 45.0 TJ = +25°C, IO = 5mA to 1.5A ­ 12.0 100 IO = 5mA to 1A ­ 12.0 100 IO = 250mA to 750mA ­ 5.0 50.0 TJ = +25°C ­ 5.0 6.0 mA ­ ­ 0.5 mA VI = 12V to 25V, IO = 500mA ­ ­ 0.8 VI = 11.7V to 25V, TJ = +25°C ­ ­ 0.8 Output Voltage Drift(26) IO = 5mA ­ -1.0 ­ mV/°C VN Output Noise Voltage f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO RR Ripple Rejection(26) f = 120Hz, IO = 500mA, VI = 12V to 22V ­ 62.0 ­ dB Dropout Voltage IO = 1A, TJ = +25°C ­ 2.0 ­ V rO Output Resistance(26) f = 1kHz ­ 17.0 ­ m ISC Short Circuit Current VI = 35V, TA = +25°C ­ 250 ­ mA IPK Peak Current(26) TJ = +25°C ­ 2.2 ­ A VO Regline Regload IQ IQ VO/T VDROP Parameter Output Voltage Line Regulation(25) Load Regulation(25) Quiescent Current Conditions Quiescent Current Change IO = 5mA to 1A mV mV Notes: 25. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 26. These parameters, although guaranteed, are not 100% tested in production. 15 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7809A LM7809A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 15V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Units 9.8 10.0 10.2 V 9.6 10.0 10.4 VI = 12.8V to 26V, IO = 500mA ­ 8.0 100 ­ 4.0 50.0 VI = 12.5V to 25V ­ 8.0 100 VI = 13V to 20V ­ 3.0 50.0 TJ = +25°C, IO = 5mA to 1.5A ­ 12.0 100 IO = 5mA to 1A ­ 12.0 100 IO = 250mA to 750mA Line Regulation(27) Max. VI = 13V to 20V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 12.8V to 25V VO Parameter Conditions ­ 5.0 50.0 TJ = +25°C Regload (27) Load Regulation mV mV IQ Quiescent Current TJ = +25°C ­ 5.0 6.0 mA IQ Quiescent Current Change IO = 5mA to 1A ­ ­ 0.5 mA VI = 12.8V to 25V, IO = 500mA ­ ­ 0.8 VI = 13V to 26V, TJ = +25°C ­ ­ 0.5 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 14V to 24V ­ 62.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 17.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A VO/T VN RR VDROP Output Voltage Drift(28) Output Noise Voltage Ripple Rejection(28) Dropout Voltage Resistance(28) rO Output ISC Short Circuit Current IPK Peak Current(28) Notes: 27. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 28. These parameters, although guaranteed, are not 100% tested in production. 16 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7810A LM7810A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 16V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol VO/T VN RR VDROP Conditions 12.0 12.5 VI = 14.8V to 30V, IO = 500mA ­ 10.0 120 ­ 4.0 120 VI = 14.5V to 27V ­ 10.0 120 ­ 3.0 60.0 TJ = +25°C, IO = 5mA to 1.5A ­ 12.0 100 ­ 12.0 100 ­ 5.0 50.0 TJ = +25°C ­ 5.1 6.0 mA ­ ­ 0.5 mA ­ ­ 0.8 ­ ­ 0.8 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 14V to 24V ­ 60.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 18.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(30) Output Noise Voltage Ripple Rejection(30) Dropout Voltage Resistance(30) rO Output ISC Short Circuit Current IPK 11.5 VI = 15V to 30V, TJ = +25°C IQ Quiescent Current V VI = 14V to 27V, IO = 500mA IQ 12.25 IO = 250mA to 750mA Load Regulation 12.0 IO = 5mA to 1A Regload 11.75 VI = 16V to 22V (29) Units TJ = +25°C Line Regulation(29) Max. VI = 16V to 22V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 14.8V to 27V VO Parameter Peak Current(30) mV mV Note: 29. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 30. These parameters, although guaranteed, are not 100% tested in production. 17 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7812A LM7812A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 19V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol VO/T VN RR VDROP Conditions 15.0 15.6 VI = 17.4V to 30V, IO = 500mA ­ 10.0 150 ­ 5.0 150 ­ 11.0 150 ­ 3.0 75.0 TJ = +25°C, IO = 5mA to 1.5A ­ 12.0 100 ­ 12.0 100 ­ 5.0 50.0 TJ = +25°C ­ 5.2 6.0 mA ­ ­ 0.5 mA ­ ­ 0.8 ­ ­ 0.8 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 18.5V to 28.5V ­ 58.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 19.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(32) Output Noise Voltage Ripple Rejection(32) Dropout Voltage Resistance(32) rO Output ISC Short Circuit Current IPK 14.4 VI = 17.5V to 30V, TJ = +25°C IQ Quiescent Current V VI = 17.5V to 30V, IO = 500mA IQ 15.3 IO = 250mA to 750mA Load Regulation 15.0 IO = 5mA to 1A Regload 14.75 VI = 20V to 26V (31) Units TJ = +25°C VI = 17.5V to 30V Line Regulation(31) Max. VI = 20V to 26V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 17.7V to 30V VO Parameter Peak Current(32) mV mV Notes: 31. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 32. These parameters, although guaranteed, are not 100% tested in production. 18 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7815A LM7815A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 23V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol VDROP 18.36 V 17.3 18.0 18.7 VI = 21V to 33V, IO = 500mA ­ 15.0 180 ­ 5.0 180 VI = 20.6V to 33V ­ 15.0 180 ­ 5.0 90.0 TJ = +25°C, IO = 5mA to 1.5A ­ 15.0 100 ­ 15.0 100 ­ 7.0 50.0 Quiescent Current TJ = +25°C ­ 5.2 6.0 mA Quiescent Current Change IO = 5mA to 1A ­ ­ 0.5 mA ­ ­ 0.8 VI = 12V to 33V, TJ = +25°C RR 18.0 VI = 12V to 33V, IO = 500mA VN 17.64 IO = 250mA to 750mA VO/T TJ = +25°C IO = 5mA to 1A IQ Units VI = 24V to 30V IQ Max. TJ = +25°C Regload Typ. VI = 21V to 33V Regline Min. IO = 5mA to 1A, PO 15W, VI = 21V to 33V VO Parameter ­ ­ 0.8 IO = 5mA ­ -1.0 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 22V to 32V ­ 57.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 19.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A Output Voltage Line Regulation(33) (33) Load Regulation Output Voltage Drift(34) Output Noise Voltage Ripple Rejection(34) Dropout Voltage Resistance(34) rO Output ISC Short Circuit Current IPK Peak Current(34) Conditions mV mV Notes: 33. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 34. These parameters, although guaranteed, are not 100% tested in production. 19 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7818A LM7818A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 27V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Symbol Units 23.5 24.0 24.5 V 23.0 24.0 25.0 VI = 27V to 38V, IO = 500mA ­ 18.0 240 ­ 6.0 240 VI = 26.7V to 38V ­ 18.0 240 VI = 30V to 36V ­ 6.0 120 TJ = +25°C, IO = 5mA to 1.5A ­ 15.0 100 IO = 5mA to 1A ­ 15.0 100 IO = 250mA to 750mA ­ 7.0 50.0 TJ = +25°C ­ 5.2 6.0 mA ­ ­ 0.5 mA VI = 27.3V to 38V, IO = 500mA ­ ­ 0.8 VI = 27.3V to 38V, TJ = +25°C Line Regulation(35) Max. VI = 21V to 33V Regline Typ. TJ = +25°C Output Voltage Min. IO = 5mA to 1A, PO 15W, VI = 27.3V to 38V VO Parameter Conditions ­ ­ 0.8 IO = 5mA ­ -1.5 ­ mV/°C f = 10Hz to 100kHz, TA = +25°C ­ 10.0 ­ µV/VO f = 120Hz, IO = 500mA, VI = 28V to 38V ­ 54.0 ­ dB IO = 1A, TJ = +25°C ­ 2.0 ­ V f = 1kHz ­ 20.0 ­ m VI = 35V, TA = +25°C ­ 250 ­ mA TJ = +25°C ­ 2.2 ­ A TJ = +25°C Regload IQ IQ VO/T VN RR VDROP (35) Load Regulation Quiescent Current Quiescent Current Change IO = 5mA to 1A Output Voltage Drift(36) Output Noise Voltage Ripple Rejection(36) Dropout Voltage Resistance(36) rO Output ISC Short Circuit Current IPK Peak Current(36) mV mV Notes: 35. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 36. These parameters, although guaranteed, are not 100% tested in production. 20 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Electrical Characteristics (LM7824A LM7824A) (Continued) Refer to the test circuits. 0°C < TJ < 125°C, IO = 1A, VI = 33V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. 3 VI = 10V VO = 5V IO = 5mA 5.75 TJ = 25°C VO = 100mV 2.5 OUTPUT CURRENT (A) QUIESCENT CURRENT (mA) 6 5.5 5.25 5 4.75 2 1.5 1 .5 4.5 -50 -25 0 25 50 75 100 0 125 0 JUNCTION TEMPERATURE (°C) QUIESCENT CURRENT (mA) NORMALIZED OUTPUT VOLTAGE (V) 7 1.01 1 0.99 -25 0 25 50 75 100 20 25 30 35 TJ = 25°C VO = 5V IO = 10mA 6.5 6 5.5 5 4.5 4 125 JUNCTION TEMPERATURE (°C) 5 10 15 20 25 30 35 INPUT VOLTAGE (V) Figure 5. Output Voltage Figure 6. Quiescent Current 21 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 15 Figure 4. Peak Output Current VI ­ VO = 5V IO = 5mA 0.98 -50 10 INPUT-OUTPUT DIFFERENTIAL (V) Figure 3. Quiescent Current 1.02 5 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Typical Performance Characteristics 1 Input Output CO 2 CI 3 LM78XX LM78XX 0.1µF 0.33µF Figure 7. DC Parameters 1 3 LM78XX LM78XX Input Output 2 270pF RL VO 2N6121 2N6121 or EQ 0.33µF 0V VO 30µS 100 Figure 8. Load Regulation 5.1 1 LM78XX LM78XX Input 3 Output 0.33µF 2 RL 470µF 120Hz + Figure 9. Ripple Rejection 22 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Typical Applications LM78XX LM78XX Input CI 3 Output CO 2 LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator 1 0.1µF 0.33µF Figure 10. Fixed Output Regulator 1 Input CI 3 LM78XX LM78XX Output CO 2 0.33µF V XX 0.1µF R1 IQ IO RL V XX IO = + R1 IQ Notes: 1. To specify an output voltage, substitute voltage value for "XX." A common ground is required between the input and the output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input ripple voltage. 2. CI is required if regulator is located an appreciable distance from power supply filter. 3. CO improves stability and transient response. Figure 11. 1 Input CI LM78XX LM78XX CO 2 0.33µF Output 3 0.1µF V XX R1 IQ R2 IRI 5 IQ VO = VXX(1 + R2 / R1) + IQR2 Figure 12. Circuit for Increasing Output Voltage 23 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com 1 LM7805 LM7805 Output 3 2 CI 0.33µF CO - 2 LM741 LM741 + 3 4 6 10k 0.1µF IRI 5 IQ VO = VXX(1 + R2 / R1) + IQR2 Figure 13. Adjustable Output Regulator (7V to 30V) Q1 BD536 BD536 Input IQ1 R1 1 3 R1 = LM78XX LM78XX IO IREG V BEQ1 Output 3 2 0.1µF 0.33µF IREG­IQ1 BQ1 IO = IREG + BQ1 (IREG­VBEQ1/R1) Figure 14. High Current Voltage Regulator Input Q1 RSC Q2 R1 1 LM78XX LM78XX 3 Output 3 0.33µF Q1 = TIP42 TIP42 Q2 = TIP42 TIP42 RSC = 2 0.1µF V BEQ2 I SC Figure 15. High Output Current with Short Circuit Protection 24 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Input 3 LM78XX LM78XX VI VO 2 0.33µF 0.1µF 7 COMMON 6 COMMON 2 LM741 LM741 4 -VIN _ 4.7k + 3 4.7k -VO TIP42 TIP42 Figure 16. Tracking Voltage Regulator 1 LM7815 LM7815 3 +20V +15V 0.33µF + 2 0.1µF 1N4001 1N4001 2.2µF 1µF + 1 2 -20V 1N4001 1N4001 MC7915 MC7915 3 -15V Figure 17. Split Power Supply (±15V ­ 1A) 25 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator 1 Input + 0.1µF 2 1 3 LM78XX LM78XX Figure 18. Negative Output Voltage Circuit D45H11 D45H11 Input 1mH Output 470 4.7 Z1 1 + 0.33µF LM78XX LM78XX 3 2 10µF + 0.5 2000µF Figure 19. Switching Regulator 26 LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com LM78XX/LM78XXA LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Output LM78XX/LM78XXA LM78XX/LM78XXA - 3-Terminal 1A Positive Voltage Regulator Mechanical Dimensions Dimensions in millimeters TO-220 [ SINGLE GAUGE ] © 2010 Fairchild Semiconductor Corporation LM78XX/LM78XXA LM78XX/LM78XXA Rev. 1.0 www.fairchildsemi.com 27 TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended to be an exhaustive list of all such trademarks. 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Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor. The datasheet is for reference information only. Rev. I47 © Fairchild Semiconductor Corporation www.fairchildsemi.com