L6566A View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L6566A

Multi-mode controller for SMPS with PFC front-end

STMicroelectronics 

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Application examples and ideas

Figure 31. Frequency foldback at light load (FF operation)

R1

MODE/SC

Vref

12

10

COMP

L6566A 9

R2

BC857

13

OSC

RT

L6566A

Figure 32. Latched shutdown upon mains overvoltage

Vin

Vin

Vcc

5

BC847

L6566A 8 DIS

15 VFF

BC857

Vref

DIS

10

8 L6566A 15 VFF

Rq

>10 Rq

46/52

Doc ID 13794 Rev 4

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