TS2937

1-1

2003/12 rev. B

TS2937

500mA Ultra Low Dropout Fixed Positive Voltage Regulator

Pin assignment:

1.

Input

2.

Ground

3.

Output

Low Dropout Voltage 0.6V max.

General Description

applications. This device excellent choice of use in battery-power application. Furthermore, the quiescent current

increases on slightly at dropout, which prolongs battery life.

This series of fixed-voltage regulators features very low ground current (100uA Typ.) and very low drop output voltage

(Typ. 60mV at light load and 600mV at 500mA). This includes a tight initial tolerance of 1% typ., extremely good line

regulation of 0.05% typ., and very low output temperature coefficient.

This series is offered in 3-pin TO-263, TO-220, TO-252 & SOT-223 package.

Features

Dropout voltage typically 0.6V @Io=500mA

Output current up to 500mA

Output voltage trimmed before assembly

-18V Reverse peak voltage

+30V Input over voltage protection

+60V Transient peak voltage

Internal current limit

Thermal shutdown protection

Block Diagram

Ordering Information

Part No.

Operation Temp.

(Ambient)

Package

TS2937CZxx

TO-220

TS2937CMxx

TO-263

TS2937CPxx

TO-252

TS2937CWxx

-20 ~ +85

SOT-223

Note: Where xx denotes voltage option, available are

12V, 10V, 8V, 5V, 3.3V and 2.5V. Contact factory

for additional voltage options.

Input Supply Voltage (Note 2)

Vin

-18 ~ +60

V

Operation Input Supply Voltage

Vin (operate)

26

V

Power Dissipation (Note 3)

Internally Limited

W

Operating Junction Temperature Range

-25 ~ +125

Storage Temperature Range

-65 ~ +150

Lead Soldering Temperature (260

TO-220 / TO-263 Package

TO-252 / SOT-223 Package

5

4

S

TO-263