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CM6561A

Part Number	CM6561A
Manufacturer	Champion
Description	No Bleed Resistor 8-PIN Transition Mode SINGLE PFC
Published	Nov 8, 2017
Detailed Description	CM6561A No Bleed Resistor 8-PIN Transition Mode (Critical Cond uction Mode) SINGLE PFC CONTROLLER with Green Mode Functi...
Datasheet	CM6561A PDF File

Overview

CM6561A No Bleed Resistor 8-PIN Transition Mode (Critical Cond uction Mode) SINGLE PFC CONTROLLER with Green Mode Function GENERAL DESCRIPTION The CM6561A is pin to pin compatible with L6561 and L6562.
There are several important improvements: 1.
IAC (pin 3), Multiplier input pin, Current input instead of Voltage input; it will enhance input current THD and the system will be less sensitive the noise.
The system can reduce one resistor between ground and IAC, multiplier input pin.
2.
IAC (pin 3), Multiplier input pin: During the start up condition (the VCC is less than UVLO, 15V), IAC is connected to VCC, and the RAC resistor (between VIN and IAC pin) serves as a bleed resistor.
Once the VC...

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