Терраэлектроника

350W PSU with Universal AC Input and 28V Output - Reference Design (PMP9531)

High efficiency, high power factor and reliable power supply are the main focus of the PMP9531 design for motor driver applications. Transition mode (TM) power factor correction (PFC) with UCC28051 and LLC series resonant converter (SRC) with UCC25600 are applied in PMP9531. In addition, a high-side buck converter with UCC28710 is applied here as the bias supply. 93% converter efficiency is achieved at high line while stillobtaining 90% converter efficiency at low line.

Возможности

Universal 85VAC-264VAC input 28V 350W output Up to 93% converter efficiency TM PFC output power goes up to 385W AC-DC PSR buck for bias supply

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350W PSU with Universal AC Input and 28V Output - Reference Design PMP9531

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