NCP1280 - Active Clamp Voltage Mode PWM Controller

Product Overview

NCP1280 Active Clamp Voltage Mode PWM Controller by ON - Datasheet Preview — Datasheet preview – NCP1280

Datasheet Details

Part number	NCP1280
Manufacturer	ON
File Size	211.48 KB
Description	Active Clamp Voltage Mode PWM Controller
Datasheet	NCP1280 Datasheet
Additional preview pages of the NCP1280 datasheet.

Product details

Description

Pin Name 1 Vin 2 NC 3 UV/OV 4 FF 5 CS 6 CSKIP 7 RT 8 DCMAX 9 SS 10 VEA 11 VREF 12 tD 13 OUT2 14 GND 15 OUT1 16 VAUX NCP1280 Application Information This pin is connected to the input voltage of the system.The voltage can be a rectified, filtered line voltage or output of a power factor correction (PFC) front end.A constant current source supplies current from this pin to the capacitor connected on the VAUX pin.The charge current is typically 13.8 mA.Maximum input voltage is 700 V.Not Conne

Features

such as line UV/OV protection, soft.
start, single resistor programmable (high) frequency oscillator, line voltage feedforward, dual mode overcurrent protection and maximum duty cycle control, allow converter optimization at minimal cost. Compared to a traditional forward converter, an NCP1280 based converter can offer significant efficiency improvements and system cost savings. Features.
Internal High Voltage Startup Regulator (25 V to 700 V).
Dual Control Outputs with.

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Published: May 12, 2005 |