L6566ATR 查看數據表（PDF） - STMicroelectronics

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L6566ATR

Multi-mode controller for SMPS with PFC front-end

STMicroelectronics 

L6566A

Figure 2. Typical system block diagram

Description

PFC PRE-REGULATOR

Rectified

Mains

Voltage

FLYBACK DC-DC CONVERTER

Voutdc

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

anomalous operation, for safety

L6562A

L6563S

L6564

L6566A

PFC is automatically turned off at light

load to ease compliance with

energy saving specifications.

Doc ID 13794 Rev 4

7/52

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