Practical circuit diagram to expand current with external PNP power transistor

Published:2012/8/12 21:59:00 Author:Ecco | Keyword: Practical circuit , expand current, external , PNP , power transistor | From:SeekIC

Expanding output current can be realized in two ways: connecting external high-power tubes; connected two or more integrated voltage regulators in parallel. The figure shows practical circuit using an external PNP power transistor to expand the output current, and the method is simple but reduces the precision of the regulator.



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