MB3778 control circuit, main features and pin of DC-DC circuit and power supply monitor

Published:2011/6/22 6:48:00 Author:Lucas | Keyword: control circuit, main features , pin , DC-DC circuit , power supply monitor | From:SeekIC

MB3778 switching regulator control circuit (dual output) The working supply voltage range is 3.6 ~ 18V; Current consumption is 1.7mA; frequency range is 1 ~ 500 KHZ; error amplifier input limit is -0.3 ~ +10 V; control input (CTL end) limit is -0.3 ~ +20 V; Collector output voltage is 20V; maximum collector output current is 75mA; power cost of dual in-line package is 1000mW; Operating Temperature is -30 ~ 85 ℃; the circuit includes timing, lock short-circuit protection circuit, input voltage malfunction prevention circuit; and it can adjust the rest time in the scope of the whole duty; it has the standby function.



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