Datasheet > SPX1587R-L-1.5/TR

SPX1587R-L-1.5/TR

更新时间： 2024-09-30 09:40:47

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
11页	172K
描述
Fixed Positive LDO Regulator, 1.5V, 1.2V Dropout, PSSO2, TO-252, 3 PIN

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SPX1587

3A Low Dropout Voltage Regulator

FEATURES

■ Guaranteed 3A Output Current

SPX1587

3 Pin TO-263

■ Three Terminal Adjustable or Fixed

SPX1587

1.5V, 1.8V, 2.5V, 3.3V and 5.0V

3 Pin TO-220

■ Low Quiescent Current

■ Low Dropout Voltage: 1.1V at 3A

■ Line Regulation: 0.1%

■ Load Regulation: 0.1%

ADJ/GND

V_OUTV_IN

■ Stable with 10uF Ceramic Capacitor

■ Overcurrent and Thermal Protection

■ Available Packages: TO-252,

TO-220, and TO-263

ADJ/GND

V_OUTV_IN

Now Available in Lead Free Packaging

■ Similar to Industry Standard LT1085/

APPLICATIONS

LT1585

■ Desktop PC's Servers

■ Powering VGA and Sound Cards

■ Cordless Phones

■ Battery Chargers

■ Adjustable Power Supplies

■ Portable Instrumentation

■ SMPS Post-Regulator

DESCRIPTION

The SPX1587 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

applicationsandportablecomputers. TheSPX1587featuresverylowquiescentcurrentandalowdropout

voltage of 1.1V at a full load. As output current decreases, quiescent current flows into the load, increasing

efficiency. SPX1587 is available in adjustable or fixed 1.5V, 1.8V, 2.5V, 3.3V and 5.0V output voltages.

TheSPX1587isofferedinseveral3-pinsurfacemountpackages:TO-252, TO-220andTO-263. Anoutput

capacitor of 10µF ceramic or tantalum provides unconditional stability.

FUNCTIONAL DIAGRAM (Adjustable)

V_IN

Current Limit

V_OUT

I_CL

AMP

1.25V

V_REF

–

Thermal Limit

ADJ/GND

–

I_ADJ50µA

I _TL

Date: 5/25/04

SPX1587 3A Low Dropout Voltage Regulator

12 3 4 5 6 7...11

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