RT9725A

更新时间： 2024-09-15 12:23:39

品牌	Logo	应用领域
立锜 - RICHTEK		开关电源开关
页数	文件大小	规格书
17页	281K
描述
Express Card Power Interface Switch

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中文翻译

获取价格

技术参数
数据手册

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RT9725A 技术参数

Status：	Active	Number of Outputs：	3
Vin (min) (V)：	1.35;3;3	Vin (max) (V)：	1.65;3.6;3.6
Ron (typ) (mOhm)：	120;90;90	Iq (typ) (mA)：	0.025;0.025;0.25
Current Limit (typ) (A)：	1.2	FLAG Indicator：	Yes
Iocp Adjustable：	No	Safety：	ExpressCard
Features：	Cycle-by-Cycle Current Limit;Enable Input;SCP	Package Type：	WQFN3x3-20

RT9725A 数据手册

RT9725A/B

Express Card Power Interface Switch

General Description

Features

^zMeets Express Card Standard (ExpressCard|34 and

The RT9725A/B power distribution switches are designed

to fulfill power management requirements of Express Card

specification. The RT9725A/B supports systems with

single slot ExpressCard|34 and ExpressCard|54 socket.

The device distributes 3.3V, AUX and 1.5V to the Express

Card socket. Each power rail is protected with current

limit circuitry when output load exceeds over-current

threshold or short-circuits occurs. A thermal protection

circuit turns off switches to prevent the device from damage

when power dissipation is increased by continuous heavy

overloads or short-circuits in the switches. The

RT9725A/B is available in WQFN-20L 3x3 package.

ExpressCard|54)

^zCompliant with the Express Card Compliance

Check Lists, Compliance ID : EC100328

^zFully Satisfy the Express Card Implementation

Guidelines

^zSupports Systems with WAKE Function

^zTTL-Logic Compatible Input

^zUnder-Voltage Lockout Protection

^zOver Current Protection

^zOver Temperature Protection

^zRoHS Compliant and Halogen Free

Applications

z PCs

Ordering Information

RT9725A/B

Package Type

QW : WQFN-20L 3x3 (W-Type)

z PDAs

z Digital Cameras

z TV and Set Top Boxes

Lead Plating System

G : Green (Halogen Free and Pb Free)

SYSRST Pull High Resistor

A : With Internal Resistor

B : Without Internal Resistor

Note :

Pin Configurations

(TOP VIEW)

Richtek products are :

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

20 19 18 17 16

STBY

AUXOUT

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

3.3VIN

3.3VOUT

GND

1.5VIN

1.5VOUT

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

WQFN-20L 3x3

DS9725A/B-01 April 2011

www.richtek.com

12 3 4 5 6 7...17

中文翻译

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