SPX1117R-3.3-L

更新时间： 2024-11-18 13:13:55

品牌	Logo	应用领域
西伯斯 - SIPEX		稳压器调节器输出元件
页数	文件大小	规格书
15页	202K
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数据手册

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SPX1117R-3.3-L 数据手册

SPX1117

800mA Low DropoutVoltage Regulator

FEATURES

APPLICATIONS

■ Guaranteed 0.8A Output Current

■ Guaranteed 1A Peak Current

■ Desktop PC's Servers

■ SCSI-II Active Terminator

■ Three Terminal Adjustable or Fixed

1.5V, 1.8V, 2.5V, 2.85V, 3.0V,

3.3V and 5V

■ Portable/ Palm Top / Notebook

Computers

■ Cordless Phones

■ Battery Chargers

■ Low Quiescent Current

■ Low Dropout Voltage of 1.1V at 0.8A

■ 0.1% Line and 0.2% Load Regulation

■ Stable with 2.2uF Ceramic Capacitor

■ Overcurrent and Thermal Protection

■ Available Packages: SOT-223,TO-252,

TO-220, and TO-263

■ Disk Drives

■ Portable Consumer Equipment

■ Portable Instrumentation

■ SMPS Post-Regulator

Now Available in Lead Free Packaging

DESCRIPTION

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,2.5V, 2.85V, 3.0V, 3.3V and 5V 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 10µF provides unconditional stability while a smaller 2.2µF

capacitor is sufficient for most applications.

FUNCTIONAL DIAGRAM

V_IN

Current Limit

V_OUT

I_CL

AMP

1.25V

V_REF

–

Thermal Limit

ADJ/GND

–

I_ADJ50µA

I _TL

Date: 8/25/04

SPX1117 800mA Low Dropout Voltage Regulator

12 3 4 5 6 7...15

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