RT9722B

更新时间： 2024-09-15 13:13:07

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
14页	320K
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中文翻译

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技术参数
数据手册

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RT9722B 技术参数

Status：	Active	Number of Outputs：	1
Vin (min) (V)：	2.4	Vin (max) (V)：	5.5
Ron (typ) (mOhm)：	145	Iq (typ) (mA)：	0.01
Current Limit (typ) (A)：	1	FLAG Indicator：	Yes
Iocp Adjustable：	Yes	Safety：
Features：	Adjustable Current Limit;Cycle-by-Cycle Current Limit;Enable Input;SCP	Package Type：	SOT-26;WDFN2x2-6;SOT-25

RT9722B 数据手册

RT9722

145mΩ, 1.5A Power Switch with Programmable Current Limit

General Description

Features

^zProgrammable Current Limit : 0.2A to 1.5A

^zLow Quiescent Current : 10μA

^zLow Shutdown Current : 0.1μA

^z145mΩ Switch On Resistance

^zOperating Voltage Range : 2.4V to 5.5V

^zUnder Voltage Lockout

The RT9722 is a cost effective, low voltage, single

P-MOSFET high side power switch IC. Typical 145mΩ

switch on resistance and 10μA quiescent current are

realized in this IC. In order to fit different application, a

SET pin is offered for current limit point setting, a resistor

from SET to Ground sets the current limit for this switch.

^zThermal Shutdown Protection

^zRoHS Compliant and Halogen Free

In addition, the RT9722 integrates a thermal shutdown

circuit and under voltage lockout circuit for overall

protection, and a FLAG output with delay is available to

indicate fault conditions to the local controller.

Applications

z HandheldDevices

z Hot Swap Supplies

z Notebooks

The RT9722 is an ideal solution for high side power load

switch and can support flexible applications since it is

available in various package such as WDFN-6L 2x2,

SOT-23-5 and SOT-23-6.

z Peripheral Ports

z Personal CommunicationDevices

Ordering Information

RT9722

Pin Configurations

Package Type

B : SOT-23-5

E : SOT-23-6

(TOP VIEW)

VIN

EN/EN

QW : WDFN-6L 2x2 (W-Type)

Lead Plating System

G : Green (Halogen Free and Pb Free)

EN Function

A : Active High

B : Active Low

VOUT GND SET

SOT-23-5

VIN

FLG EN/EN

Note :

Richtek products are :

` 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.

VOUT GND SET

SOT-23-6

SET

VIN

EN/EN

VOUT

FLG

WDFN-6L 2x2

DS9722-00 August 2011

www.richtek.com

12 3 4 5 6 7...14

中文翻译

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