ET- 78xx Positive-Voltage Regulator Description The 78xx series are Features fixed-voltage ¾ Three Terminal Regulators. monolithic integrated circuit voltage regulators ¾ Output Current up to:1.5A. designed for wide range of applications. Each of ¾ No External Components. these regulators can deliver up to 1.5A of output ¾ Internal Thermal Overload Protection. current. The internal limiting and thermal ¾ Internal Short-Circuit Limiting. shutdown features of these regulators make ¾ Output Voltage Offered in 4% Tolerance. them essentially immune to overload. VIN VOUT 78xx CIN Typical Application COUT Applications ¾ Linear Regulator ¾ Microprocessor Power Supply ¾ Graphic Card ¾ Mother Board ¾ Security Product Pin Description www.estek.com.cn OUT OUT GND GND IN IN 1 Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx Ordering Information Part Number Temperature Range Package -40 oC ~ +125 oC Pin Assignment Packing Input GND Output TO-263 1 2 3 Tape & Reel TO-220 1 2 3 Tube 7805GI 7806GI 7808GI 7809GI 7810GI 7812GI 7815GI 7818GI 7820GI 7824GI 7805FI 7806FI 7808FI 7809FI 7810FI 7812FI o o -40 C ~ +125 C 7815FI 7818FI 7820FI 7824FI Absolute Maximum Ratings Symbol VIN Input voltage IOUT Output current TA TJ TSTG TLEAD www.estek.com.cn Value Parameter 7805~7818 7820~7824 35 40 1.5 Operating ambient temperature Operating junction temperature Storage temperature Lead temperature 1.6mm from case for 10 seconds 2 Unit V A -40 ~ +125 o C 150 o C -65 ~ +150 o C 260 o C Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx Thermal Characteristics Symbol Parameter Thermal Resistance From Junction to Ambient in Free Air. θJA Symbol Parameter Max. 4.8 5.0 5.2 4.75 5.00 5.25 VIN=7V to 25V - - 100 VIN=8V to 12V - - 50 IO=250mA to 750mA - - 50 IO=5mA to 1.0A - - 100 62 80 - dB - 40 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.3 - - 0.5 IO=5mA to 1.0A o 0 to 125 C Regload Load regulation PSRR Ripple rejection VIN=8V to 18V, f=120Hz Output noise voltage F=10Hz~100Hz Bias current change VIN=7V to 25V 0 to 125oC IO=5mA to 1.0A 7806 Electrical Characteristics Symbol VOUT** Parameter mV mA Max. 5.75 6.00 6.25 5.7 6.0 6.3 VIN=8V to 25V - - 120 VIN=9V to 13V - - 60 IO=250mA to 750mA - - 60 IO=5mA to 1.0A - - 120 62 80 - dB - 45 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 IO=5mA to 1.0A 0 to 125oC Regload Load regulation PSRR Ripple rejection VIN=9V to 19V, f=120Hz Output noise voltage F=10Hz~100Hz △IQ mV Typ. Line regulation IQ V Min. Output voltage Test Conditions* Regline VDROPOUT Unit (TA=25oC, VIN=11V, IOUT=500mA, unless otherwise noted .) VIN=8V to 21V Vn C/W 65 Typ. Line regulation △IQ o Min. Output voltage Test Conditions* Regline IQ 55 Unit (TA=25oC, VIN=10V, IOUT=500mA, unless otherwise noted .) VIN=7V to 20V VDROPOUT TO-263 TO-220 7805 Electrical Characteristics Vn Typical Value (Measured with the component mounted on a high effective thermal conductivity test board in free air.) VOUT** Package Bias current change www.estek.com.cn VIN=8V to 25V 0 to 125oC IO=5mA to 1.0A 3 Unit V mV mV mA Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx 7808 Electrical Characteristics Symbol VOUT** Parameter (TA=25oC, VIN=14V, IOUT=500mA, unless otherwise noted .) Min. Typ. Max. 7.7 8.0 8.3 7.6 8.0 8.4 VIN=10.5V to 25V - - 160 VIN=11V to 17V - - 80 IO=250mA to 750mA - - 80 IO=5mA to 1.0A - - 160 62 80 - dB - 52 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 Output voltage Test Conditions* IO=5mA to 1.0A 0 to 125oC VIN=10.5V to 23V Regline Line regulation Regload Load regulation PSRR Ripple rejection VIN=11.5V to 21.5V, f=120Hz Output noise voltage F=10Hz~100Hz Vn VDROPOUT IQ △IQ Bias current change VIN=10.5V to 25V 0 to 125oC IO=5mA to 1.0A 7809 Electrical Characteristics (T =25 C, V A Symbol VOUT** Parameter o mA unless otherwise noted .) 8.65 9.00 9.35 8.55 9.00 9.45 VIN=11V to 26V - - 180 VIN=11.5V to 17V - - 90 IO=250mA to 750mA - - 90 IO=5mA to 1.0A - - 180 62 80 - dB - 58 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 IO=5mA to 1.0A 0 to 125oC Regload Load regulation PSRR Ripple rejection VIN=12V to 23.5V, f=120Hz Output noise voltage F=10Hz~100Hz △IQ mV Max. Line regulation IQ mV Typ. Regline VDROPOUT V Min. Output voltage Test Conditions* VIN=11.5V to 24V Vn IN=15V, IOUT=500mA, Unit Bias current change www.estek.com.cn VIN=11.5V to 26V IO=5mA to 1.0A 4 0 to 125oC Unit V mV mV mA Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx 7812 Electrical Characteristics Symbol VOUT** Parameter (TA=25oC, VIN=19V, IOUT=500mA, unless otherwise noted .) Min. Typ. Max. 11.5 12.0 12.5 11.4 12.0 12.6 VIN=14.5V to 30V - - 240 VIN=16V to 23V - - 120 IO=250mA to 750mA - - 120 IO=5mA to 1.0A - - 240 62 80 - dB - 75 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 Output voltage Test Conditions* IO=5mA to 1.0A VIN=14.5V to 27V 0 to 125oC Regline Line regulation Regload Load regulation PSRR Ripple rejection VIN=15V to 25V, f=120Hz Output noise voltage F=10Hz~100Hz Vn VDROPOUT IQ △IQ Bias current change VIN=14.5V to 30V IO=5mA to 1.0A 7815 Electrical Characteristics Symbol VOUT** Parameter 0 to 125oC mA Max. 14.4 15.0 15.6 14.25 15.0 15.75 VIN=17.5V to 30V - - 300 VIN=20V to 26V - - 150 IO=250mA to 750mA - - 150 IO=5mA to 1.0A - - 300 60 70 - dB - 100 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 Output voltage IO=5mA to 1.0A 0 to 125oC Regload Load regulation PSRR Ripple rejection VIN=18.5V to 28.5V, f=120Hz Output noise voltage F=10Hz~100Hz △IQ mV Typ. Line regulation IQ mV Min. Regline VDROPOUT V (TA=25oC, VIN=23V, IOUT=500mA, unless otherwise noted .) Test Conditions* VIN=17.5V to 30V Vn Unit Bias current change www.estek.com.cn VIN=17.5V to 30V IO=5mA to 1.0A 5 0 to 125oC Unit V mV mV mA Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx 7818 Electrical Characteristics Symbol VOUT** Parameter (TA=25oC, VIN=27V, IOUT=500mA, unless otherwise noted .) Min. Typ. Max. 17.3 18.0 18.7 17.1 18.0 18.9 VIN=21.5V to 33V - - 360 VIN=24V to 30V - - 180 IO=250mA to 750mA - - 180 IO=5mA to 1.0A - - 360 60 70 - dB - 100 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 Output voltage Test Conditions* IO=5mA to 1.0A 0 to 125oC VIN=21V to 33V Regline Line regulation Regload Load regulation PSRR Ripple rejection VIN=22.5V to 32V, f=120Hz Output noise voltage F=10Hz~100Hz Vn VDROPOUT IQ △IQ Bias current change VIN=21V to 33V 0 to 125oC IO=5mA to 1.0A 7820 Electrical Characteristics Symbol VOUT** Parameter mA Max. 19.2 20.0 20.8 19.0 20.0 21.0 VIN=23V to 35V - - 400 VIN=26V to 32V - - 200 IO=250mA to 750mA - - 200 IO=5mA to 1.0A - - 400 55 65 - dB - 120 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 Output voltage IO=5mA to 1.0A 0 to 125oC Regload Load regulation PSRR Ripple rejection VIN=24.5V to 35V, f=120Hz Output noise voltage F=10Hz~100Hz △IQ mV Typ. Line regulation IQ mV Min. Regline VDROPOUT V (TA=25oC, VIN=29V, IOUT=500mA, unless otherwise noted .) Test Conditions* VIN=23V to 35V Vn Unit Bias current change www.estek.com.cn VIN=23V to 35V 0 to 125oC IO=5mA to 1.0A 6 Unit V mV mV mA Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx 7824 Electrical Characteristics Symbol VOUT** Parameter (TA=25oC, VIN=31V, IOUT=500mA, unless otherwise noted .) Min. Typ. Max. 23.0 24.0 25.0 22.8 24.0 25.2 VIN=27V to 38V - - 480 VIN=30V to 36V - - 240 IO=250mA to 750mA - - 240 IO=5mA to 1.0A - - 480 55 65 - dB - 140 - uV Dropout voltage - 2.0 - V Bias current - - 8.0 mA - - 1.0 - - 0.5 Output voltage Test Conditions* IO=5mA to 1.0A 0 to 125oC VIN=27V to 38V Regline Line regulation Regload Load regulation PSRR Ripple rejection VIN=28.5V to 37V, f=120Hz Output noise voltage F=10Hz~100Hz Vn VDROPOUT IQ △IQ Bias current change VIN=27V to 38V 0 to 125oC IO=5mA to 1.0A Unit V mV mV mA Note: * Pulse testing techniques are used to 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 0.33uF capacitor across the input and a 0.1uF capacitor across the output. ** The specification applies only for DC power dissipation permitted by absolute maximum rating. www.estek.com.cn 7 Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx Typical Characteristics 7805 www.estek.com.cn 8 Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx Package Information TO-263 www.estek.com.cn 9 Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011 ET- 78xx Package Information TO-220 www.estek.com.cn 10 Copyright @ Estek Electronics Co., Ltd Version 0.2 29 July 2011