L6566ATR(2007) 查看數據表（PDF） - STMicroelectronics

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L6566ATR
(Rev.:2007)

Multi-mode controller for SMPS with PFC front-end

STMicroelectronics 

L6566A

Figure 2. Typical system block diagram

Description

PFC PRE-REGULATOR

FLYBACK DC-DC CONVERTER

Rectified

Mains

Voltage

Voutdc

PWM/QR controller is turned off in case of PFC's

anomalous operation, for safety

L6563/A

PFC

L6566A

PFC is automatically turned off at light

load to ease compliance with

energy saving specifications.

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