NCP1601B - Power Factor Correction Controller

Product Overview

ON Semiconductor

Datasheet Details

Part number	NCP1601B
Manufacturer	ON Semiconductor
File Size	253.56 KB
Description	Power Factor Correction Controller
Datasheet	NCP1601B Datasheet
Note	This datasheet PDF includes multiple part numbers: NCP1601B, NCP1601A. Please refer to the document for exact specifications by model.
Additional preview pages of the NCP1601B datasheet.

Product details

Description

Pin Symbol Function 1 FB Feedback / Shutdown 2 Vcontrol Control 3 Ramp 4 CS Ramp Current Sense 5 Osc Oscillator / Synchronization 6 GND 7 Drv 8 VCC The IC ground Drive Output Supply Voltage Function This pin receives a current IFB which is proportional to the PFC circuit output voltage.The current is for the output regulation, output Overvoltage Protection (OVP), and output undervoltage protection (UVP).When IFB goes above 107% Iref, OVP is activated and the Drive Output is disable

Features

that make the NCP1601 suitable for robust and compact PFC stages. Features.
Near- Unity Power Factor in DCM or CRM.
Voltage- Mode Operation.
Low Startup and Shutdown Current Consumption.
Programmable Switching Frequency for DCM.
Synchronization Capability.
Overvoltage Protection (107% of Nominal Output Level).
Undervoltage Protection or Shutdown (8% of Nominal Output Level).
Programmable Overcurrent Protection.
Thermal Shutdown with Hysteresis (95/140.

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Published: Jan 16, 2007 |