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6 page 
1A 3-TERMINAL POSITIVE VOLTAGE REGULATOR AS78XX Data Sheet 6 Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited Parameter Symbol Conditions Min Typ Max Unit Output Voltage VOUT TJ=25 oC 4.9 5 5.1 V IOUT=5mA to 1A, VIN=7.5V to 20V, PD≤15W 4.8 5.2 Line Regulation VRLINE VIN=7.5V to 20V, IOUT=1A, TJ=25 oC 750 mV Load Regulation VRLOAD VIN=10V, IOUT=5mA to 1A, TJ=25 oC 25 100 mV Quiescent Current IQ VIN=10V, IOUT=0 3.2 6 mA Quiescent Current Change ∆I Q VIN=8V to 25V, IOUT=500mA, TJ=25 oC 0.3 0.8 mA IOUT=5mA to 1A, TJ=25 oC 0.08 0.5 Ripple Rejection PSRR VIN=8V to 18V, f=120Hz, IOUT=500mA 73 dB Dropout Voltage VDROP ∆V OUT=1%, IOUT=1A, TJ=25 oC 2V Output Noise Voltage NO f=10Hz to 100kHz, TA=25 oC 10 µV/V O Output Resistance RO f=1kHz 10 m Ω Short Circuit Current ISC VIN=35V, TA=25 oC 0.2 A Peak Output Current IPK VIN=10V, TJ=25 oC 2.2 A Output Voltage Temperature Coefficient ∆V OUT/∆T 0.4 mV/oC ( ∆V OUT/VOUT)/∆T 80 ppm/oC Electrical Characteristics AS7805 (VIN=10V, IOUT=1A, TJ=-40 to 125 oC, unless otherwise specified.) Parameter Symbol Conditions Min Typ Max Unit Output Voltage VOUT TJ=25 oC 7.84 8 8.16 V IOUT=5mA to 1A, VIN=10.6V to 23V, PD≤15W 7.7 8.3 Line Regulation VRLINE VIN=10.6V to 23V, IOUT=1A, TJ=25 oC 12 80 mV Load Regulation VRLOAD VIN=14V, IOUT=5mA to 1A, TJ=25 oC 25 100 mV Quiescent Current IQ VIN=14V, IOUT=0 3.2 6 mA Quiescent Current Change ∆I Q VIN=8V to 25V, IOUT=500mA, TJ=25 oC 0.08 0.4 mA IOUT=5mA to 1A, TJ=25 oC 0.1 0.5 Ripple Rejection PSRR VIN=11.5V to 21.5V, f=120Hz, IOUT=500mA 62 dB Dropout Voltage VDROP ∆V OUT=1%, IOUT=1A, TJ=25 oC 2V Output Noise Voltage NO f=10Hz to 100kHz, TA=25 oC 10 µV/V O Output Resistance RO f=1kHz 10 m Ω Short Circuit Current ISC VIN=35V, TA=25 oC 0.2 A Peak Output Current IPK VIN=14V, TJ=25 oC 2.2 A Output Voltage Temperature Coefficient ∆V OUT/∆T 0.64 mV/oC ( ∆V OUT/VOUT)/∆T 80 ppm/oC AS7808 (VIN=14V, IOUT=1A, TJ=-40 to 125 oC, unless otherwise specified.) |
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