Constant-frequency parallel-resonant converter (clamped-mode)
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Date
1986
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Virginia Polytechnic Institute and State University
Abstract
A steady-state analysis of a Constant-Frequency Parallel-Resonant Converter operating in the Clamped-Mode is performed for the continuous-conduction mode of operation (CCM). Unified closed-form expressions are derived for such circuit characteristics as the control to output, boundary conditions for natural commutation and forced commutation, and stresses on power devices. These characteristics are experimentally verified and simulated by using IO-SPICE. Considerations for practical design are discussed based on hardware operating at 300KHz, with a 300V input, 5V and 300W output.