The damming switch power supply circuit

Published:2011/7/21 3:42:00 Author:Seven | Keyword: damming switch, power supply circuit | From:SeekIC

The circuit adopts with a TOP202Y integrated circuit. The damming control loop consists of VTl, VT2, Rl～R4 and IC2. VT1 and VT2 have the consistent parameters, which compose the mirror image current source. The output features of the damming switch power supply is shown in the figure, the output curve can be divided into 3 areas: the constant voltage area, the damming area and the auto restart area. In the figure is the damming switch power supply circuit and curve.



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