Full-bridge power conversion circuit

Published:2011/8/31 2:25:00 Author:John | Keyword: Full-bridge power conversion | From:SeekIC

When high power output is needed, full-bridge power conversion circuit is generally used. The figure shows the full-bridge power conversion circuit. As pointed out above, power transistor in the half-bridge power conversion circuit can withstand a maximum voltage which is half of that in the push-pull working transistor. However, if the output power requirements are of the same, the working current for the transistor will increase greatly. Full-bridge power conversion circuit has both advantages of those two circuits. It is able to maintain the power switching devices bearing down just like a half-bridge circuit, and it is also able to have small current-carrying characteristics just like a push-pull circuit.



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