Elektronische Bauelemente

SQ2181

CMOS Positive

Voltage Regulator

* Excellent PSRR Type 70 dB

* Over-Temperature Shutdown

* Very Low Dropout Voltage

* Factor Pre-set Output Voltage

* Short Circuit Current Fold-back

* Guaranteed 150mA output

* Current Limiting

* Portable Electronics

Applications

* PC Peripherals

* Wireless Devices

* Battery Powered Widgets

* Electronic Scales

* Instrumentation

* Cordless Phones

Dimensions

Millimeter

* Power-Saving Shutdown Mode

Features

have both Thermal Shutdown, and Current Fold-back to prevent device failure

under the "Worst" ofoperating conditions. As an additional feature, the SQ2181

is stable with an output capacitance of 2.2µF or greater.

Description

The SQ2181 of positive, linear requlator feature low quiescent current (50 µA

typ.) with low dropout voltage and excellent PSRR, thus making them ideal for

f

or Telecommunications and other battery applications. These rugged devices

01-Jun-2002 Rev. A

Page 1 of 5

http://www.SeCoSGmbH.com/

Any changing of specification will not be informed individual

RoHS Compliant Product

Typical Application Circuit

Functional Block Diagram

REF.

Min.

Max.

REF.

Millimeter

A

2.70

3.10

G

1.90 REF.

B

2.60

3.00

H

1.20 REF.

C

1.40

1.80

I

0.12 REF.

D

0.30

0.55

J

0.37 REF.

E

0

0.10

K

0.60 REF.

F

0°

10°

L

0.95 REF.

SQ2181

*

Noise Reduction Bypass Capacitor

*

Cameras

*

Telecommunications

* C

ellular Phones