NCP1681 controller equivalent, totem pole power factor correction controller.
* Totem Pole PFC Topology Eliminates Input Diode Bridge Enabling
Very High Efficiency & Compact Design
* AC Line Monitoring Circuit & AC Phase Detection
* Bro.
* Cloud/Server Power Supplies
* High Performance Computing
* 5G/Telecom Power Supplies
* Industrial Powe.
Pin Number
Pin Name
Pin Description
1
FAULT
Combined OVP/OTP fault pin.
2
PFCOK
The PFCOK pin is held low when the PFC output voltage is out of regulation and during fault condi-
tions. The pin becomes active when the PFC output achieves r.
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