Datasheet > SPX2940U-L-2-5

SPX2940U-L-2-5

更新时间： 2024-11-21 07:55:39

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
10页	296K
描述
Fixed Positive LDO Regulator, 2.5V, 0.55V Dropout, BIPolar, LEAD FREE, TO-220AB, 3 PIN

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SPX2940U-L-2-5 数据手册

SPX2940

1A LOW DROPOUT VOLTAGE REGULATOR

NOVEMBER 3, 2007

REV. F

FEATURES

I Guaranted 1.5A Peak Current

I Low Quiescent Current

SPX2940

I Low Dropout Voltage of 280mV at 1A

I Extremely Tight Load and Line Regulation

I Extremely Fast Transient Response

I Reverse-battery Protection

3 Pin TO-263

V_IN

V_OUT

GND

I Internal Thermal Protection

I Internal Short Circuit Current Limit

I Replacement for LM2940, MIC2940A,

AS2940

Now Available in Lead Free Packaging

I Standard TO-220 and TO-263 packages

APPLICATIONS

I Powering VGA & Sound Card

I LCD Monitors

I PDA or Notebook Computer

I High Efficiency Linear Power Supplies

I Portable Instrumentation

I USB Power Supply

I Power PC^TMSupplies

I SMPS Post-Regulator

I Constant Current Regulators

I Cordless Telephones

I Automotive Electronics

DESCRIPTION

TheSPX2940isa1A, accuratevoltageregulatorswithalowdropoutvoltageof280mV(typical)

at 1A. These regulators are specifically designed for low voltage applications that require a low

dropoutvoltageandafasttransientresponse.Theyarefullyfaultprotectedagainstover-current,

reverse battery, and positive and negative voltage transients.

The SPX2940 is offered in 3-pin TO-220 & TO-263 packages. For a 3A version, refer to the

SPX29300 data sheet.

TYPICAL APPLICATIONS CIRCUIT

SPX2940

V_OUT

10µF

6.8µF

Figure 1. Fixed Output Linear Regulator.

Exar Corporation 48720 Kato Road, Fremont CA, 94538

•

(510) 668-7000 • FAX (510) 668-7017 • www.exar.com

12 3 4 5 6 7...10

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