Primary-Side Regulated Flyback with 85 to 265VAC Input (12V @ 1.1A) Reference Design (PMP8832)

The PMP8832 reference design uses the UCC28700 primary-side regulated flyback controller to generate a 12V/1.1A output from a universal AC input. The valley switching of the UCC28700 allows this low-cost design to achieve an average efficiency greater than 83%; no load losses are less than 40mW.

Возможности

Low cost - Primary Side Regulation eliminates opto and TL431 Passes class B conducted emissions without a common-mode inductor No load power consumption is below 40mW

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Схемы и диаграммы

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Спецификация (BOM)

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Primary-Side Regulated Flyback with 85 to 265VAC Input (12V @ 1.1A) Reference Design PMP8832