5V~24V/5A adjustable DC voltage converter with current limitting

Published:2011/4/20 21:39:00 Author:May | Keyword: 5V~24V/5A, adjustable, DC voltage converter, current limitting | From:SeekIC

This circuit adopts three spread fast power transistors BUY55 and fast power diode SSiE3055 as switching component. The control frequency is 20kHz and is out of hearing frequency range. Power supply by 24V storage battery, this circuit can change it to TTL circuit used 5V power supply. It is used in automobile or other industrial circle. Its efficiency is higher than 70%. Main technical data: Working voltage: 24±25%V; Oscillation frequency: ≈20kHz; Output voltage: 5V (3~6V); Maximum output noise voltage: 20mV (peak to peak value); Maximum output current: 5A; Minimum output current: 0.3A; Current limiting value: ≈5.5A; Regulation factor: 0.04.



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