NXP 公司数字无桥PFC设计

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This reference design manual describes a Totem-Pole
Bridgeless Power Factor Correction (PFC) design using
MC56F82748 DSC.
This document focuses on the key parts design of Totem
Pole bridgeless PFC. System description part includes the
system structure, different modulation mode, and control
loop. Hardware design part includes PFC choke design,
power circuits and drive circuits, sensing circuits and PCB
layout consideration. Software design part mainly includes
the system state machine, control timing, drive signal
generation logic and fault protection.

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Freescale 的产品在电源界影响力感觉在一直下降中

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