SWITCHING_REGULATOR_CONVERTER

Published:2009/6/26 4:00:00 Author:May | From:SeekIC

The Max650 switching regulator produces a regulated 5 V from large negative voltages, such as the -48 V found on telephone lines. The resulting power supply operates with several extemal com-ponents, inclucting a transformer, and it delivers 250 mA. The device includes a 140-V 250-mA pnp transistor, short-circuit protection, and all necessary control circuitry.



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