Universal AC Input, Dual Output (12V@30mA, 3.3V@400mA) Isolated Flyback Converter Reference Design (PMP10143)
The PMP10143 reference design demonstrates the use of UCC28880 high-voltage switcher to design an Offline Isolated Flyback converter that can supply greater than 100mA output current. Using 2ndary side feedback control, the design delivers a tighly regulated 3.3V/400mA output that can be used to bias micontrollers and DSPs. In addition the design also provides a 2nd output rail of 12V/30mA that can be used to supply relays and other analog devices.Возможности
UCC28880-based Isolated Flyback converter Design delivers >100mA output Tightly regulated 3.3V output (<1%, at 25C) using 2ndary side opto-feedback >74% efficiency at full-load on both rails Flyback transformer designed for basic isolation Short-circuit withstand capability of 3 seconds This design is tested and includes test results and CAD filesФайлы
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