Datasheet > NCP5423

NCP5423

更新时间： 2024-11-23 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
16页	163K
描述
Dual Out−of−Phase Synchronous Buck Controller with Current Limit

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数据手册

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NCP5423 数据手册

NCP5422A, NCP5423

Dual Out−of−Phase

Synchronous

Buck Controller

with Current Limit

http://onsemi.com

The NCP5422A/3 is a dual N−channel synchronous buck regulator

controller. It contains all the circuitry required for two independent

buck regulators and utilizes the V t control method to achieve the

fastest possible transient response and best overall regulation, while

using the least number of external components. The NCP5422A/3

features out−of−phase synchronization between the channels,

reducing the input filter requirement. The NCP5422A/3 also provides

undervoltage lockout, Soft−Start, built in adaptive non−overlap time

and hiccup mode overcurrent protection.

SO−16

AD SUFFIX

CASE 751B

Features

MARKING DIAGRAMS AND

PIN CONNECTIONS

• V Control Topology

• Hiccup Mode Overcurrent Protection

• 150 ns Transient Response

GATE(H)1

GATE(L)1

GND

GATE(H)2

GATE(L)2

• Programmable Soft−Start

• 100% Duty Cycle for Enhanced Transient Response

• 150 kHz to 600 kHz Programmable Frequency Operation

• Switching Frequency Set by Single Resistor

• Out−Of−Phase Synchronization Between Channels

• Undervoltage Lockout

BST

OSC

IS+1

IS−1

IS+2

IS−2

FB2

FB1

COMP1

COMP2

• Both Gate Drive Outputs Held Low During Fault Condition

• Pb−Free Packages are Available

= Assembly Location

WL = Wafer Lot

= Year

WW = Work Week

= Pb−Free Package

ORDERING INFORMATION

†

Device

Package

Shipping

2500 Tape & Reel

NCP5422ADR2

SO−16

NCP5422ADR2G

SO−16

(Pb−Free)

2500 Tape & Reel

NCP5423DR2G

SO−16

(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.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

April, 2006 − Rev. 7

NCP5422A/D

12 3 4 5 6 7...16

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