Electronic transformer circuit diagram

Published:2011/6/30 2:39:00 Author:Ecco | Keyword: Electronic , transformer | From:SeekIC

The working principle of electronic transformer is the same with the switching power supply, and it is shown in Figure 1 (click to download the schematic). The VD1-VD4 can recify the electric supply to DC, then DC is changed into tens of kilohertz high-frequency current, which is bucked by ferrite transformer. The R2, C1, VD5 in the figure are start trigger circuit. C2, C3, L1, L2, L3, VT1, VT2 constitute the part of high-frequency oscillation.



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