Controller IC and one-shot form resonant controller

Posted on May 3, 2012

Resonant power supplies are popular because of high efficiency, low noise, and compactness. You can implement a resonant buck or boost converter using a single switch. The regulation of the output in such a converter derives from using a constant on or off time and a variable frequency.

The UC1864 controller IC (Texas Instruments, meets all the requirements for a single-switch quasiresonant converter. But you also can achieve this performance with the inexpensive and popular UC3842 current-mode controller in conjunction with

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