PJ2950ACT-3.0 datasheet, PDF - EEWORLD Datasheet

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PJ2950ACT-3.0: Description150mA Low Dropout Voltage Regulators; File Size108KB，7 Pages; ManufacturerETC1

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PJ2950ACT-3.0 Overview

150mA Low Dropout Voltage Regulators

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PJ2950/PJ2951

150mA Low Dropout Voltage Regulators

he Semiconductor PJ2950 and PJ2951 are a low power

voltage regulators. These devices are excellent choi ce

in battery-powered applications such as cordless

The error flag output feature is used as power-on reset

for warn of a low output voltage , due to following batteries

on input. Other feature is the logic-compatible shutdown

input which enable the regulator to be switched on and off.

The PJ2950 is offered in 3-pin TO-92 package compatible

with other 5 volt regulators. The PJ2951 is available in 8-pin

plastic, SOP-8 package.

The regulator output voltage may be pin-strapped fo r a

5 & 3.3 volt of programmed from 1.24 volt to 29 volts with

external pai r of resistors. Using of as design, processing and

testing techniques make our PJ2950 and PJ2951 superior

over similar products.

for use

telephone, radio control systems, and portable computers.

The PJ2950 and PJ2951 features very low quiescent

current (75μA Typ.) and very low drop output voltage

(Typ. 40μV at light load and 380 mV at 100 mA).This

includes a tight initial tolerance o f 0.5% typ., extremely

good load and line regulation 0.05% typ. and very low

output temperature coeffi cient, making the PJ2950/PJ2951

useful as a low-power voltage reference. Other key

additional feature of this unregulated input voltage transient

of -20V below ground (reverse battery).

____________________________________________________________________________________________________

FEATURES

•

Output accuracy 5V & 3.3V, 150 mA output

Very low quiescent current

Low dropout voltage

Extremely tight load and line regulation

Very low temperature coefficient

Need only 1μF for stability

Unregulated DC input can withstand -20V reverse

battery and +60V positive transients

Direct replacem ent for PJ2950/PJ2951 sockets

SOP-8

TO-92

PJ2950/2950A

Pin 1. Output

2. Ground

3. Input

PJ2951/2951A

1. Output

2. Sense

3. Shutdown

4. Ground

5. Error

6. 5 Vtap

7. Feedback

8. Input

PJ2951 VERSIONS ONLY

•

Error Flag warns of output dropout

Logic-Controlled electronic shutdown

Output programmable from 1.24 to 29V

ORDERING INFORMATION

Device

P J2950ACT

APPLICATIONS

•

Operating Temperature

Packag e

TO-92

Battery powered systems

Portable instrumentation

Avionics

Automotive Electronics

SMPS Post-Regulator

Voltage Reference

Portable/Palm top / Notebook computers

Portable consumer equipment

Radio control systems

Cordless telephones

PJ2950CT

PJ2950ACT-3.0

PJ2950CT-3.0

PJ2950ACT-3.3

PJ2950CT-3.3

PJ2951ACS

PJ2951CS

PJ2951ACS-3.3

PJ2951CS-3.3

-20 ~ +85

℃

SOP-8

1-7

2002/01.rev.A

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