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78LXXM LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 7 of 10 www.unisonic.com.tw QW-R101-002,I ELECTRICAL CHARACTERISTICS(Cont.) For UTC78L24M (VIN=33V, IOUT=40mA) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT TJ=25°C 23.04 24 24.96 V 27V V ≦ IN 38V,I ≦ OUT=1mA ~ 40mA 22.80 25.20 V 27V V ≦ IN V ≦ MAX, IOUT=1mA - 200mA 22.80 25.20 V (Note 2) Load Regulation ΔVOUT TJ=25°C, IOUT=1mA ~ 100mA 40 200 mV TJ=25°C, IOUT=1mA ~ 40mA 20 100 mV Line Regulation ΔVOUT 27V V ≦ IN 38V,T ≦ J=25°C 160 300 mV 28V V ≦ IN 38V,T ≦ J=25°C 150 250 mV Quiescent Current IQ 2.2 6.0 mA Quiescent Current Change ΔIQ 27V V ≦ IN 38V ≦ 1.5 mA 1mA V ≦ IN 40mA ≦ 0.1 mA Output Noise Voltage eN 10Hz f 100kHz ≦≦ 200 μV Temperature Coefficient of VOUT ΔVO/ΔT IOUT=5mA -2.0 mV/°C Ripple Rejection RR 27V V ≦ IN 38V,f=120Hz,T ≦ J=25°C 34 45 dB Dropout Voltage VD TJ=25°C 1.7 V Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represent pulse test conditions with junction temperatures specified at the initiation of test. Note 2: Power dissipation<0.5W |
