Datasheet > NCP4331

NCP4331

更新时间： 2024-02-22 10:12:47

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
23页	187K
描述
Synchronous Buck Controller for High Efficiency Post Regulation

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中文翻译

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数据手册

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NCP4331 数据手册

NCP4331

Advance Information

Synchronous Buck

Controller for High

Efficiency Post Regulation

http://onsemi.com

MARKING DIAGRAMS

The NCP4331 houses a dual MOSFET driver intended to be used as

a companion chip in ac-dc or dc-dc multi-output post regulated

power supplies. Directly fed by the secondary ac signal, the device

keeps power dissipation to the lowest while reducing external

component count. Further, the implementation of N-channel

MOSFETs gives NCP4331-based applications a significant advantage

in terms of efficiency.

NCP4331G

ALYYWW

SO-16

D SUFFIX

CASE 751B

Features

•ꢀHigh Gate Drive Capability

•ꢀBootstrap for N-MOSFET High-Side Drive

•ꢀTwo Embedded Error Amplifiers Allowing Constant Current

Constant Voltage (CCCV) Operation

•ꢀ 1.5% Regulation Voltage Reference Over 0°C to 85°C Temperature

Range

NCP

4331

ALYWG

TSSOP-16

DB SUFFIX

CASE 948F

= Assembly Location

= Wafer Lot

•ꢀProgrammable Soft-Start

•ꢀThermal Shutdown for Overtemperature Protection

= Year

= Work Week

•ꢀPWM Operation Synchronized to the Converter Frequency

•ꢀOver-Lap Management for Soft Switching

•ꢀInternal Regulator to Ease the Circuit Feeding

•ꢀUndervoltage Detection

G or G = Pb-Free Package

(Note: Microdot may be in either location)

PIN CONNECTIONS

•ꢀThese are Pb-Free Devices

CSout

CSin-

CSin+

VCC

BST

Typical Applications

•ꢀOff-line Switch Mode Power Supplies

•ꢀPower Dc-dc Converters

•ꢀEfficient Alternative to Mag-Amp Post-Regulators

HS_DRV

UVP/STDWN

COMP

VDD

LS_DRV

GND

SS/Dmax

Cramp

SYNC

(Top View)

ORDERING INFORMATION

Device

NCP4331DR2G

Package

Shipping

SOIC-16

(Pb-Free)

2500 /

Tape & Reel

NCP4331DBR2G TSSOP-16

(Pb-Free)

2500 /

Tape & Reel

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

herein are subject to change without notice.

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

October, 2007 - Rev. P1

Publication Order Number:

NCP4331/D

12 3 4 5 6 7...23

中文翻译

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与NCP4331相关器件

型号	品牌	获取价格	描述	数据表
NCP4331DBR2G	ONSEMI	获取价格	Synchronous Buck Controller for High Efficiency Post Regulation
NCP4331DR2G	ONSEMI	获取价格	Synchronous Buck Controller for High Efficiency Post Regulation
NCP433FCT2G	ONSEMI	获取价格	1.5A Ultra-Small Controlled Load Switch with Auto-Discharge Path
NCP434	ONSEMI	获取价格	2A Ultra-Small Controlled Load Switch with
NCP434FCT2G	ONSEMI	获取价格	2A Ultra-Small Controlled Load Switch with
NCP435	ONSEMI	获取价格	2A Ultra-Small Controlled Load Switch with
NCP4350DR2G	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, LEAD FREE, SOIC-16
NCP4352	ONSEMI	获取价格	Secondary Side SMPS ECO Mode Controller
NCP4352SNT1G	ONSEMI	获取价格	Secondary Side SMPS ECO Mode Controller
NCP4353	ONSEMI	获取价格	Secondary Side SMPS OFF Mode Controller for Low Standby Power

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