NCP1603 - PFC/PWM Combo Controller

Product Overview

ON Semiconductor

Datasheet Details

Part number	NCP1603
Manufacturer	ON Semiconductor
File Size	300.19 KB
Description	PFC/PWM Combo Controller
Datasheet	NCP1603 Datasheet
Additional preview pages of the NCP1603 datasheet.

Product details

Description

Pin Symbol Function Description 1 Vaux 2 FB2 Auxiliary Supply PWM Feedback This pin connects to the VCC1 pin externally.It delivers a bias voltage from the VCC2 to the PFC section.The Vaux is disabled when either one of the following conditions occurs: (1) Vaux is initially off; (2) Fault (VFB2 > 3.0 V for more than 125 ms); (3) Standby (VFB2 < 0.75 V and then VFB2 is smaller than 1.25 V for more than 125 ms); (4) Overvoltage protection latch activated from CS2 pin; (5) Thermal shutdown

Features

of the device are listed below. Features.
This is a Pb.
Free Device.
PFC Features.
Near.
Unity Power Factor in Discontinuous and Critical Mode (DCM and 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 Nomina.

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Published: Jan 16, 2007 |