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78DXXA_1109 Datasheet(PDF) 7 Page - Unisonic Technologies |
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78DXXA_1109 Datasheet(HTML) 7 Page - Unisonic Technologies |
7 / 8 page 78DXXA LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 7 of 8 www.unisonic.com.tw QW-R101-010,M ELECTRICAL CHARACTERISTICS(Cont.) For 78D15A (VIN =23V, IOUT =0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT IOUT =5mA~1.0A 14.40 15.0 15.6 V VIN =17.5~30V, IOUT =5mA~1.0A 14.25 15.75 V Load Regulation ΔVOUT IOUT =5mA~1.0A 150 mV IOUT =0.25A~0.75A 75 mV Line Regulation ΔVOUT VIN =18.5~30V 150 mV VIN =17.7~30V, IOUT =1.0A 150 mV Quiescent Current IQ IOUT≤1.0A 8.0 mA Quiescent Current Change ΔIQ VIN =17.5~30V 1.0 mA IOUT =5mA~1.0A 0.5 mA Output Noise Voltage eN 10Hz≤f≤100kHz 90 μV Temperature coefficient of VOUT ΔVOUT/ΔTIOUT =5mA -1.8 mV/ °C Ripple Rejection RR VIN =18.5~28.5V,f=120Hz 54 70 dB Peak Output Current IPEAK 1.8 A Short-Circuit Current ISC VIN =35V 250 mA Dropout Voltage VD 2.0 V For 78D18A (VIN =27V, IOUT =0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT IOUT=5mA~1.0A 17.28 18.0 18.72 V VIN =21~33V, IOUT=5mA~1.0A 17.1 18.9 V Load Regulation ΔVOUT IOUT=5mA~1.0A 180 mV IOUT=0.25A~0.75A 90 mV Line Regulation ΔVOUT VIN =21~33V 180 mV VIN =21~33V, IOUT =1.0A 180 mV Quiescent Current IQ IOUT≤1.0A 8.0 mA Quiescent Current Change ΔIQ VIN =21.5~33V 1.0 mA IOUT=5mA~1.0A 0.5 mA Output Noise Voltage eN 10Hz≤f≤100kHz 110 μV Temperature coefficient of VOUT ΔVOUT/ΔTIOUT =5mA -2.2 mV/ °C Ripple Rejection RR VIN =22~32V,f=120Hz 53 69 dB Peak Output Current IPEAK 1.8 A Short-Circuit Current ISC VIN =35V 250 mA Dropout Voltage VD 2.0 V For 78D24A (VIN=33V, IOUT =0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT IOUT=5mA~1.0A 23.04 24.0 24.96 V VIN =27~38V, IOUT=5mA~1.0A 22.8 25.2 V Load Regulation ΔVOUT IOUT=5mA~1.0A 240 mV IOUT=0.25A~0.75A 120 mV Line Regulation ΔVOUT VIN =27~38V 240 mV VIN =27~38V, IOUT =1.0A 240 mV Quiescent Current IQ IOUT≤1.0A 8.0 mA Quiescent Current Change ΔIQ VIN =28~38V 1.0 mA IOUT=5mA~1.0A 0.5 mA Output Noise Voltage eN 10Hz≤f≤100kHz 170 μV Temperature coefficient of VOUT ΔVOUT/ΔTIOUT =5mA -2.8 mV/ °C Ripple Rejection RR VIN =28~38V,f=120Hz 50 66 dB Peak Output Current IPEAK 1.8 A Short-Circuit Current ISC VIN=35V 250 mA Dropout Voltage VD 2.0 V |
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