Switch D. C. Regulated Power Supply Two

Published:2011/6/3 4:39:00 Author:Michel | Keyword: Switch, D. C., Regulated Power Supply, Two | From:SeekIC

This example introduces the switch D. C. regulated power supply circuit of buck-mode +5V series.It is composed of power supply circuit,impulsator,voltage sampling or pulse width modulation circuit, buffering driver circuit and it is showed as the picture 5-38.The input converting circuit consists of mains transformer,T,commutation diode VD1-VD4,filter capacitor C1,current-limiting resistor and voltage regulator diode VS.The impulsator consists of time-base integrated circuit IC,resistor,R1,R2 and capacitor,C2,C5.The voltage sampling or pulse width modulation circuit is composed of capacitor,C3,resistor,R3-R5,R11-R13 and transistor V4 and V5.



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