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78TXXAL-TQ2-T Datasheet(PDF) 7 Page - Unisonic Technologies |
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78TXXAL-TQ2-T Datasheet(HTML) 7 Page - Unisonic Technologies |
7 / 9 page 78TXXA LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 7 of 9 www.unisonic.com.tw QW-R101-011.L ELECTRICAL CHARACTERISTICS(Cont.) FOR 78T18A (VIN=27V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT TJ=25°C, IOUT=5mA-1.0A 17.28 18.0 18.72 V VIN=21V~33V, IOUT=5mA-1.0A, PD 15W ≦ 17.10 18.90 V Load Regulation ΔVOUT TJ=25°C, IOUT=5mA-1.0A 180 mV TJ=25°C, IOUT=0.25A-0.75A 90 mV Line regulation ΔVOUT VIN=21V~33V, TJ=25°C 180 mV VIN=21V~33V, TJ=25°C, IOUT=1.0A 180 mV Quiescent Current IQ TJ=25°C, IOUT 1.0A ≦ 8.0 mA Quiescent Current Change ΔIQ VIN=21.5V~33V 1.0 mA IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz f 100kHz ≦≦ 110 μV Temperature coefficient of Vo ΔVo/ΔT IOUT=5mA -2.2 mV/ °C Ripple Rejection RR VIN=22V-32V, f=120Hz, TJ=25°C 53 69 dB Peak Output Current IPEAK TJ=25°C 1.8 A Short-Circuit Current ISC VIN=35V, TJ=25°C 250 mA Dropout Voltage VD TJ=25°C 2.0 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 represents pulse test conditions with junction temperatures specified at the initiation of test. Note 2: Power dissipation<0.5W |
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