UTC UTCLM2954-5.0, UTCLM2954-3.3, UTCLM2954 Datasheet

UTC LM2954 LINEAR INTEGRATED CIRCUIT

300 mA LOW-DROPOUT VOLTAGE
REGULATOR

DESCRIPTION

The UTC LM2954 is a monolithic integrated voltage
regulator with low dropout voltage, and low quiescent current.
It includes many features that suitable for different
applications.
Available in 3-pin TO-92,DIP-8,SOP-8 and SOT-223
packages.

FEATURES

*High accuracy 3.3, 5V fixed output for
TO-92, DIP-8 and SOP-8 package.
*Extremely low quiescent current and dropout voltage.
*Extremely tight load and line regulation.
*Current and thermal limiting.
*Very low temperature coefficient.
*Logic controlled shutdown and error flag available for DIP
and SOP package.
*Output voltage programmable for DIP and SOP package.

APPLICATIONS

*Battery powered equipment.
*High efficient linear regulator down to 1.24V.
*Cellular phones.

ORDERING INFORMATION

PART NUMBER TEMPERATURE RANGE PACKAGE ACCURACY

UTC LM2954-5.0
UTC LM2954-3.3
UTC LM2954
UTC LM2954

-40°C ~ +125°C

-40°C ~ +125°C

-40°C ~ +125°C

-40°C ~ +125°C

1

1

SOT-223

TO-92

SOP-8 DIP-8

3-Pin TO-92 plastic 1.0%
3-Pin TO-92 plastic 1.0%
8-Pin SOP-8 plastic 1.0%
8-Pin DIP-8 plastic 1.0%

UTC UNISONIC TECHNOLOGIES CO., LTD. 1

QW-R102-002,B

UTC LM2954 LINEAR INTEGRATED CIRCUIT

PIN CONFIGURATIONS

UTC LM2954

21 3

OUTPUT

GND

TO-92 Plastic Package

Bottom View

OUTPUT

SENSE

1

2

3

4

GND

SOP-8 OR DIP-8 PACKAGE

UTC

LM2954

UTC LM2954

INPUT

8

INPUT

7

FEEDBACK

6

5V TAPSHUTDOWN

5

ERROR

INPUT GND OUTPUT

SOT-223 PACKAGE

Fig. 1

UTC UNISONIC TECHNOLOGIES CO., LTD. 2

QW-R102-002,B