Actual Size

(2,15 mm x 2,3 mm)

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FEATURES

APPLICATIONS

DESCRIPTION

3

2

4

5

DCK PACKAGE

(TOP VIEW)

1

FB/NC

GND

NC

OUT

IN

GND

TPS715xx

OUT

IN

MSP430

Solar

Cell

TPS715xx

SLVS338L – MAY 2001 – REVISED SEPTEMBER 2005

50 mA, 24 V, 3.2 µA Supply Current

Low-Dropout Linear Regulator in SC70 Package

•

Ultra Low Power Microcontrollers

•

24-V Maximum Input Voltage

•

Cellular/Cordless Handsets

•

Low 3.2-µA Quiescent Current at 50 mA

•

Portable/Battery-Powered Equipment

•

Stable With Any Capacitor (

≥ 0.47 µF)

•

50-mA Low-Dropout Regulator

•

Available in 1.8 V, 1.9 V, 2.3 V, 2.5 V, 3.0 V, 3.3

The TPS715xx low-dropout (LDO) voltage regulators

V, 3.45 V, 5.0 V, and Adjustable (1.2 V to 15 V)

offer the benefits of high input voltage, low-dropout

•

Designed to Support MSP430 Families:

voltage,

low-power

operation,

and

miniaturized

– 1.9 V version ensured to be higher than

packaging. The devices, which operate over an input

range of 2.5 V to 24 V, are stable with any capacitor

(

≥ 0.47 µF). The low dropout voltage and low

– 2.3 V version ensured to meet 2.2 V

quiescent current allow operations at extremely low

power levels. Therefore, the devices are ideal for

– 3.45 V version ensured to be lower than

powering battery management ICs. Specifically, since

the devices are enabled as soon as the applied

voltage reaches the minimum input voltage, the

– Wide variety of fixed output voltage options

output is quickly available to power continuously

operating battery charging ICs.

desired MSP430 speed

The usual PNP pass transistor has been replaced by

•

Minimum/Maximum Specified Current Limit

a PMOS pass element. Because the PMOS pass

•

5-Pin SC70/SOT-323 (DCK) Package

element behaves as a low-value resistor, the low

•

-40°C to +125°C Specified Junction

dropout voltage, typically 415 mV at 50 mA of load

Temperature Range

current, is directly proportional to the load current.

The low quiescent current (3.2 µA typically) is stable

•

For 80mA Rated Current and Higher Power

over the entire range of output load current (0 mA to

Package, see TPS715Axx

50 mA).

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2001–2005, 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.