Datasheet > NCP5425_06

NCP5425_06

更新时间： 2024-11-26 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
22页	173K
描述
Dual Synchronous Buck Controller

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NCP5425_06 数据手册

NCP5425

Dual Synchronous

Buck Controller

The NCP5425 is a highly flexible dual buck controller with internal

gate drivers that can be used with two input power supplies and one or

two outputs in multiple configurations. The part contains all the

circuitry required for two independent synchronous dual NFET buck

regulators utilizing a feed forward voltage mode control method. The

NCP5425 can run from a single supply ranging from 4.6 to 12 V and

support a single two phase or dual single phase outputs. When used as

a dual output controller, the second output tracks voltage transients

from the first. Power blanking for low noise applications is supported

as well as independent cycle−by−cycle current limiting. The part is

available in a 20 pin TSSOP package allowing the designer to

minimize PCB area.

http://onsemi.com

TSSOP−20

DB SUFFIX

CASE 948E

Features

• Operation Over 4.6 to 13.2 V

• Dual Synchronous Buck Design

PIN CONNECTIONS AND

MARKING DIAGRAM

• Configurable as a Single Two Phase Output or Two Single Phase

Outputs

• Programmable Power Sharing and Budgeting from Two Independent

Supplies

GATEH1

GATEL1

GATEH2

GATEL2

GND

BST

IS+1

IS−1

• 0.8 V "1% Reference for Low Voltage Outputs

OSC

NCP

5425

ALYW G

• 1.5 A Peak Power Drive

MODE

IS−2

IS+2

• Switch Blanking for Noise Sensitive Applications through use of

OSC

REF2

• Programmable Frequency, 150 kHz to 750 kHz Operation

• Programmable Soft−Start

FB1

FB2

COMP1

COMP2

• Cycle−by−Cycle Overcurrent Protection

• Independent Programmable Current Limits

• 100% Duty Cycle for Fast Transient Response

• Internal Slope Compensation

• Out−of−Phase Synchronization between the Controllers

• Input Undervoltage Lockout

• On/Off Enable through use of the COMP Pins

• Power Supply Sequencing

• These are Pb−Free Devices

= Assembly Location

= Wafer Lot

= Year

W = Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

†

Device

Package

Shipping

75 Units/Tube

NCP5425DB

TSSOP−20*

Applications

NCP5425DBG

NCP5425DBR2

• DDR Memory Power

• Graphics Cards

TSSOP−20* 2500/Tape & Reel

2500/Tape & Reel

NCP5425DBR2G TSSOP−20*

†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 package is inherently Pb−Free.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

July, 2006 − Rev. 9

NCP5425/D

12 3 4 5 6 7...22

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与NCP5425_06相关器件

型号	品牌	获取价格	描述	数据表
NCP5425DB	ONSEMI	获取价格	Dual Synchronous Buck Controller
NCP5425DBG	ONSEMI	获取价格	Dual Synchronous Buck Controller
NCP5425DBR2	ONSEMI	获取价格	Dual Synchronous Buck Controller
NCP5425DBR2G	ONSEMI	获取价格	Dual Synchronous Buck Controller
NCP5426	ONSEMI	获取价格	LDO Regulator/Vibration Motor Driver
NCP5426/D	ETC	获取价格	LDO Regulator/Vibration Motor Driver
NCP5426_06	ONSEMI	获取价格	LDO Regulator/Vibration Motor Driver
NCP5426SN13T1	ONSEMI	获取价格	LDO Regulator/Vibration Motor Driver
NCP5426SN13T1G	ONSEMI	获取价格	LDO Regulator/Vibration Motor Driver
NCP5426SN13T2	ONSEMI	获取价格	LDO Regulator/Vibration Motor Driver

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