Datasheet > NCP1901

NCP1901

更新时间： 2024-09-18 05:52:03

品牌	Logo	应用领域
安森美 - ONSEMI		功率因数校正控制器
页数	文件大小	规格书
13页	206K
描述
Primary Side Combination Resonant and PFC Controllers

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NCP1901 数据手册

NCP1901

Advance Information

Primary Side Combination

Resonant and PFC

Controllers

The NCP1901 is a combination of PFC and half−bridge

resonant controllers optimized for off−line adapter

applications. This device includes all the features needed

to implement a highly efficient and small form factor

adapter. It integrates a critical conduction mode (CrM)

power factor correction (PFC) controller and a half−bridge

controller with a built−in 600 V driver. The half−bridge

stage operates at a fixed frequency. Regulation is achieved

by adjusting the PFC stage output voltage.

http://onsemi.com

SO−20 WB

SOIC−16

D SUFFIX

CASE 751B

DW SUFFIX

CASE 751D

This device includes an enable input on the PFC

feedback pin, open feedback loop protection and PFC

overvoltage and undervoltage detectors. Other features

included in the NCP1901 are a 600 V startup circuit and an

adjustable frequency oscillator. The controllers are properly

sequenced, simplifying system design.

MARKING

DIAGRAM

NCP1901G

AWLYWW

Features

• Adjustable Half−Bridge Frequency up to 75 kHz

• Open Feedback Loop Protection

• CrM Power Factor Correction Controller

• PFC Undervoltage Detector

• PFC Overvoltage Detector

NCP1901

AWLYYWWG

• Half−Bridge Controller with 600 V High Side Gate

NCP1901 = Specific Device Code

Drive

• State Machine Ensures Proper Turn−on and Turn−off

of Half−Bridge Stage

= Assembly Location

= Wafer Lot

Y or YY = Year

• Enable Input on the PFC Feedback Pin Disables

Controllers and Reduces Power

= Work Week

= Pb−Free Package

• Controllers are Properly Sequenced for Fault Free

Operation

ORDERING INFORMATION

• Internal 600 V Startup Circuit

†

• This is a Pb−Free Device

Device

NCP1901DR2G

Package

Shipping

SOIC−16 2500/Tape & Reel

(Pb−Free)

Typical Applications

• High Efficiency Notebook Adapter

• Solid State Lighting

NCP1901DWR2G SO−20 WB 1000/Tape & Reel

(Pb−Free)

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

This document contains information on a new product. Specifications and information

herein are subject to change without notice.

Semiconductor Components Industries, LLC, 2009

Publication Order Number:

February, 2009 − Rev. P0

NCP1901/D

12 3 4 5 6 7...13

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与NCP1901相关器件

型号	品牌	获取价格	描述	数据表
NCP1901DR2G	ONSEMI	获取价格	Primary Side Combination Resonant and PFC Controllers
NCP1901DWR2G	ONSEMI	获取价格	Primary Side Combination Resonant and PFC Controllers
NCP1910	ONSEMI	获取价格	High Performance Combo Controller for ATX Power Supplies
NCP1910A100DWR2G	ONSEMI	获取价格	高性能组合控制器，用于 ATX 电源
NCP1910A65DWR2G	ONSEMI	获取价格	High Performance Combo Controller for ATX Power
NCP1910B100DWR2G	ONSEMI	获取价格	高性能组合控制器，用于 ATX 电源
NCP1910B65DWR2G	ONSEMI	获取价格	High Performance Combo Controller for ATX Power
NCP1927	ONSEMI	获取价格	Combination Power Factor Correction Controller and Flyback Controller for Flat
NCP1927DR2G	ONSEMI	获取价格	PFC and Flyback Controller for Flat Panel TVs
NCP1937	ONSEMI	获取价格	Combination Power Factor Correction and Quasi- Resonant Flyback Controllers for Adapters

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