Actual Size

(2,15 mm x 2,3 mm)

1

FEATURES

DESCRIPTION

APPLICATIONS

3

2

4

5

DCK PACKAGE

(TOP VIEW)

1

FB/NC

GND

NC

OUT

IN

GND

TPS715xx

OUT

IN

MSP430

Solar

Cell

TPS715xx

50 mA, 24 V, 3.2-

µA Supply Current

Low-Dropout Linear Regulator in SC70 Package

2

• 24-V Maximum Input Voltage

The TPS715xx low-dropout (LDO) voltage regulators

offer the benefits of high input voltage, low-dropout

• Low 3.2-µA Quiescent Current at 50 mA

voltage,

low-power

operation,

and

miniaturized

• Stable With Any Capacitor (≥ 0.47 µF)

packaging. The devices, which operate over an input

• 50-mA Low-Dropout Regulator

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

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

(

≥ 0.47

µF). The low dropout voltage and low

quiescent current allow operations at extremely low

3.3 V, 3.45 V, 5.0 V, and

power levels. Therefore, the devices are ideal for

Adjustable (1.2 V to 15 V)

powering battery management ICs. Specifically, since

• Designed to Support MSP430 Families:

the devices are enabled as soon as the applied

–

1.9-V version ensured to be higher than

voltage reaches the minimum input voltage, the

output is quickly available to power continuously

operating battery charging ICs.

–

2.3-V version ensured to meet 2.2-V

The usual PNP pass transistor has been replaced by

a PMOS pass element. Because the PMOS pass

–

3.45-V version ensured to be lower than

element behaves as a low-value resistor, the low

dropout voltage, typically 415 mV at 50 mA of load

–

Wide variety of fixed output voltage options

current, is directly proportional to the load current.

The low quiescent current (3.2

µA typically) is stable

desired MSP430 speed

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

• Minimum/Maximum Specified Current Limit

50 mA).

• 5-Pin SC70/SOT-323 (DCK) Package

• –40°C to +125°C Specified Junction

Temperature Range

• For 80-mA Rated Current and Higher Power

Package, see TPS715Axx

• Ultra-Low Power Microcontrollers

• Cellular/Cordless Handsets

• Portable/Battery-Powered Equipment

1

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

2

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PRODUCTION DATA information is current as of publication date.

Copyright © 2001–2008, 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.