Datasheet > C3225X5R1C226M

C3225X5R1C226M

更新时间： 2024-11-04 12:23:35

品牌	Logo	应用领域
立锜 - RICHTEK		转换器
页数	文件大小	规格书
14页	348K
描述
4A, 21V 500kHz Synchronous Step-Down Converter

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C3225X5R1C226M 数据手册

RT8287A

4A, 21V 500kHz Synchronous Step-Down Converter

General Description

Features

^z4A Output Current

The RT8287A is a synchronous step-down regulator with

an internal power MOSFET. It achieves 4A of continuous

output current over a wide input supply range with excellent

load and line regulation. Current mode operation provides

fast transient response and eases loop stabilization.

^zAdjustable Soft-Start

^z120mΩ/40mΩ Internal Power MOSFET Switch

^zInternal Compensation Minimizes External Parts

Count

^zFixed 500kHz Frequency

Fault condition protection includes cycle-by-cycle current

limiting and thermal shutdown. An adjustable soft-start

reduces the stress on the input source at startup.

^zThermal Shutdown Protection

^zCycle-by-Cycle Over Current Protection

^zWide 4.5V to 21V Operating Input Range

^zAdjustable Output from 0.808V to 15V

^zSmall 14-Lead WDFN Package

^zRoHS Compliant and Halogen Free

The RT8287A requires a minimal number of readily

available external components, providing a compact

solution.

Ordering Information

RT8287A

Applications

z Distributive Power Systems

Package Type

QW : WDFN-14L 4x3 (W-Type)

z Battery Charger

z DSL Modems

Lead Plating System

Z : ECO (Ecological Element with

Halogen Free and Pb free)

z Pre-Regulator for Linear Regulators

Pin Configurations

Note :

Richtek products are :

(TOP VIEW)

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

VIN

AGND

GND

VCC

PGOOD

GND

BOOT

Marking Information

01 : Product Code

WDFN-14L 4x3

YMDNN : Date Code

01 YM

DNN

is a registered trademark of Richtek Technology Corporation.

DS8287A-03 June 2012

www.richtek.com

12 3 4 5 6 7...14

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