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[电源设计]

基于初级侧调节PSR的通用交流输入48W输出反激式转换器

描述

            The PMP40025 is a universal AC input, 48W output flyback converter based on primary side regulation(PSR) which eliminates optocouplers and secondary side feedback components reducing BOM cost. The design features a single 48V/1A output with average efficiency greater than 89% and 75mW no load power  (...)


主要特色
   
  • <75mW low standby power @230Vac no load
  • +/-3% transient response from no load to full load
  • High efficiency at 10% load and four points average
  • Pass EN55022B CE test
  • Single-side PCB board for low cost

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