The regulator: DC-DC circuit, power supply monitor pin and its main features LM1578/2578/3578

Published:2011/9/5 22:52:00 Author:Seven | Keyword: DC-DC circuit, power supply, monitor pin | From:SeekIC

LM1578/2578/3578--the switch stabilizer control circuitThis is a DC-DC converter control circuit; it consists of the comparator, reference power supply, oscillating circuit and switch transistor; it can compose the booster, step-down and phase inverting circuit; the working power supply voltage range is 2~40V; the switch current is 750mA; the oscillating frequency can be set as 100kHz; the duty cycle period range is 0~90%; the voltage difference range between the electrode of the switch transistor (C terminal) and the earth is -0.3~+40V and that of the switch transistor emitter (E terminal) and the ground is -1~+40V.



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