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H78LXX Datasheet(HTML) 7 Page - Hi-Sincerity Mocroelectronics |
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H78LXX Datasheet(HTML) 7 Page - Hi-Sincerity Mocroelectronics |
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HI-SINCERITY MICROELECTRONICS CORP. Spec. No. : IC200403 Issued Date : 2004.03.01 Revised Date : 2004.08.31 Page No. : 7/10 H78LXXAM / BM, H78LXXAA / BA HSMC Product Specification Test Circuits Application Circuits Constant Current Regulator Circuit for Increasing Output Voltage Adjustable Output Regulator High Output Current with Short-circuit Protection 31 2 H78LXX Series VOUT VIN RL 270pF 100 31 2 H78LXX Series VOUT VIN CIN 0.33uF COUT 0.1uF DC Parameter CIN 0.33uF Load Regulation VOUT 0V 31 2 H78L05 Series VOUT VIN RL Ripple Rejection + - + - DC 9V V OUT=VOUT(IC)+VZ I 1=VOUT(IC)/R1 V OUT=VOUT(IC)(1+R2/R1)+R2*IB V OUT=VOUT(IC)(1+R2/R1) R 1≤VBE1/IB(max) R SC=VBE2/ISC, ISC: Short-Circuit Current 31 2 H78LXX Series VOUT VIN 0.33uF R1 IR1 0.1uF 10uF 31 2 H78LXX Series VOUT VIN 0.33uF R1 IB 0.1uF 10uF R2 31 2 H78LXX Series VOUT VIN 0.33uF R1 IB 0.1uF 10uF R2 + - 31 2 H78LXX Series VOUT VIN 0.33uF R1 0.1uF 10uF Rsc Q1 Q2 |
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