RT9724

®

DS9724-02 July 2012

www.richtek.com

1

©

Copyright 2012 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Ordering Information

100m

Ω

Ω

Ω

Ω

Ω, 2A Slew Rate Controlled Load Switch

General Description

The RT9724 is a cost-effective, low-voltage, single

N-MOSFET high-side Power Switch IC. Low switch-on

resistance (typ. 100m

Ω) and low supply current (typ. 50uA)

are realized in this IC. The RT9724 integrates an over-

current protection circuit, a short fold back circuit, a

thermal shutdown circuit and an under-voltage lockout

circuit for overall protection. Besides, a slew rate

controlled function is embedded for turn-on rising time

control. The RT9724 is available in SOT-23-5 and WDFN-

8L 2x2 package.

Features

100m

Ω

Ω

Ω

Ω

Ω (typ.) N-MOSFET Switch

Operating Range : 2.7V to 5.5V

Reverse Blocking Current

Under Voltage Lockout

Thermal Protection with Foldback

Over Current Protection

Short Circuit Protection

Slew Rate Limited Turn-On Time 3ms (5V)

RoHS Compliant and Halogen Free

Applications

Cellular Phones

Digital still Camera

Hot swap Supplies

Notebook Computers

Personal Communication Devices

Personal Digital Assistants

Marking Information

Pin Configurations

(TOP VIEW)

WDFN-8L 2x2

SOT-23-5

NC

VOUT

VIN

VIN

VIN

EN

GND

7

6

5

1

2

3

4

8

9

VIN

EN GND VOUT

VIN

VIN

4

23

5

RT9724

Package Type

B : SOT-23-5

QW : WDFN-8L 2x2 (W-Type)

Lead Plating System

G : Green (Halogen Free and Pb Free)

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.

1Y=DNN

1Y= : Product Code

DNN : Date Code

GVW

GV : Product Code

W : Date Code

RT9724GB

RT9724GQW