NCP1603 Datasheet - ON Semiconductor

NCP1603 - PFC/PWM Combo Controller

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 (V

NCP1603 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

* P

Datasheet Details

NCP1603

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Pfc/pwm combo controller.

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