Patent ID: 9559601
Date: 2017-01-31
CPC Classifications: H02M,H03K,Y02B

Claim:
1. A switched mode power supply, comprising: a transformer comprising a primary winding, a transformer core configured to store energy transferred thereto from the primary winding during operation, and a single, non-tapped secondary winding having a first terminal and a second terminal; a primary side circuit arranged to generate voltage pulses and thereby to drive the primary winding of the transformer; and a secondary side circuit comprising a rectification circuit connected to the secondary winding at the first and second terminals, wherein the rectification circuit is semi-synchronous, comprises one or more transistors and one or more diodes, and is arranged such that: wherein the secondary side circuit further comprises a voltage limiter circuit configured to provide signals from the secondary winding to one or more gate terminals of the one or more transistors.