Power

Supply

ON

OFF

TPS22930

VIN

VOUT

GND

ON

GND

TPS22930

www.ti.com

SLVSBL3 – NOVEMBER 2012

ULTRA SMALL, LOW RESISTANCE LOAD SWITCH

Check for Samples: TPS22930

1

FEATURES

DESCRIPTION

•

Integrated Single Channel Load Switch

controlled turn on. The device contains a P-channel

•

Ultra Small CSP-4 Package (0.9mm × 0.9mm,

MOSFET that can operate over an input voltage

0.5mm pitch)

range of 1.4V to 5.5V. The switch is controlled by an

•

Input Voltage Range: 1.4V to 5.5V

on/off input (ON), which is capable of interfacing

directly

with

low-voltage

control

signals.

The

•

TPS22930 is active high enable.

–

The

TPS22930

device

provides

circuit

breaker

–

functionality by disabling the body diode during

–

reverse voltage (also known as reverse current)

•

2A Maximum Continuous Switch Current

situations. Reverse current protection is active only

when the power-switch is disabled (off). The device

•

Low Quiescent Current (< 3µA)

disengages the body diode when the output voltage

•

Low Control Input Threshold Enables Use of

1.2V/1.8V/2.5V/3.3V Logic

flow of current towards the input side of the switch.

Additionally, under-voltage lockout (UVLO) protection

•

Controlled Slew Rate

turns the switch off if the input voltage is too low.

•

Under Voltage Lockout

The slew rate of the device is internally controlled in

•

Reverse Current Protection When Disabled

order to avoid inrush current.

APPLICATIONS

The TPS22930 is available in an ultra-small, space-

saving 4-pin CSP package and is characterized for

•

Smartphone / Wireless Handsets

operation over the free-air temperature range of

•

Portable Industrial / Medical Equipment

–40°C to 85°C.

•

Portable Media Players

•

Point of Sales Terminals

•

GPS Navigation Devices

•

Digital Cameras

•

Portable Instrumentation

Figure 1. Typical Application

Feature List

RON (typ) at

Rise Time at

Quick Output

Maximum

Device

Enable

4.2V

4.2V (typ)

Continuous Current

TPS22930A

35m

Ω

5.4µs

No

2A

Active High

(1)

This feature discharges output of the switch to GND through a resistor, preventing the output from floating when the pass FET is

disabled

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2012, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.