SPX1117T Exar Corporation, SPX1117T Datasheet

SPX1117T

Manufacturer Part Number

SPX1117T

Description

800mA Low Dropout Voltage Regulator

Manufacturer

Exar Corporation

Datasheets

1.SPX1117T.pdf (15 pages)

2.SPX1117T.pdf (15 pages)

3.SPX1117U.pdf (11 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SPX1117T

Quantity:

5 510

Company:

Meier Automation Equipment Co., Limited

Part Number:

SPX1117T-1.8

Manufacturer:

SIPEX

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SPX1117T-12

Manufacturer:

SIPEX

Quantity:

50 210

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SPX1117T-2.5

Manufacturer:

SIPEX

Quantity:

6 892

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SPX1117T-5.0

Manufacturer:

SIPEX

Quantity:

50 210

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Download datasheet (125Kb)

FEATURES

BLOCK DIAGRAM

Rev. 3/4/02

The SPX1117 is a low power positive-voltage regulator designed to satisfy moderate power

requirements with a cost effective, small footprint solution. This device is an excellent choice

for use in battery-powered applications and portable computers. The SPX1117 features very

low quiescent current and a low dropout voltage of 1.1V at a full load. As output current

decreases, quiescent current flows into the load, increasing efficiency. SPX1117 is available

in adjustable or fixed 1.5V, 1.8V, 2.5V, 2.85V, 3.0V and 3.3V output voltages.

The SPX1117 is offered in several 3-pin surface mount packages: SOT-223, TO-252, TO-

220 and TO-263. An output capacitor of 10 F provides unconditionally stability while a

smaller 2.2 F capacitor is sufficient for most applications.

DESCRIPTION

1.5V, 1.8V, 2.5V, 2.85V, 3.0V and 3.3V

Guaranteed 0.8A Output Current

Guaranteed 1A Peak Current

Three Terminal Adjustable or Fixed

Low Quiescent Current

Low Dropout Voltage of 1.1V at 0.8A

0.1% Line and 0.2% Load Regulation

Voltage Temperature Stability 0.05%

Stable with 2.2uF Ceramic Capacitor

Overcurrent and Thermal Protection

Available Packages: SOT-223, TO-

252, TO-220, and TO-263

Current Limit

800mA Low Dropout Voltage Regulator

Thermal Limit

SPX1117 800mA Low Dropout Voltage Regulator

–

APPLICATIONS

Computers

Desktop PC's Servers

SCSI-II Active Terminator

Portable/ Palm Top / Notebook

Cordless Phones

Battery Chargers

Disk Drives

Portable Consumer Equipment

Portable Instrumentation

SMPS Post-Regulator

AMP

REF

ADJ

ADJ/GND

–

~ 50 A

OUT

SPX1117

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