SPX3819M5-2-5 Datasheet

IC型號(hào)：
SPX3819M5-2-5
PDF描述：
500mA, Low-Noise LDO Voltage Regulator
文件大小：
372.63KB
PDF頁(yè)數(shù)：
13頁(yè)
芯片廠家：
SIPEX

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SPX3819

500mA, Low-Noise LDO Voltage Regulator

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FEATURES

Low Noise: 40碌V Possible

High Accuracy: 1%

Reverse Battery Protection

Low Dropout: 340mV at Full Load

Low Quiescent Current: 90碌A(chǔ)

Zero Off-Mode Current

Fixed Output: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V,

3.1V, 3.3V, 5.0V. Adj. Output also available.

鈻?/div>

Available in RoHS Compliant, Lead Free

Packages: 5 Pin SOT-23, 8 Pin Narrow

SOIC and 8 pin 2X3 DFN

VIN

ADJ/BYP

GND

VOUT

SPX3819

8 Pin DFN

APPLICATIONS

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Battery Powered Systems

Cordless Phones

Radio Control Systems

Portable/Palm Top/Notebook Computers

Portable Consumer Equipment

Portable Instrumentation

Bar Code Scanners

SMPS Post Regulators

DESCRIPTION

The SPX3819 is a positive voltage regulator with a low dropout voltage and low noise output. In

addition, this device offers a very low ground current of 800碌A(chǔ) at 100mA output. The SPX3819 has

an initial tolerance of less than 1% max and a logic compatible ON/OFF switched input. When

disabled, power consumption drops to nearly zero. Other key features include reverse battery

protection, current limit, and thermal shutdown. The SPX3819 includes a reference bypass pin for

optimal low noise output performance. With its very low output temperature coefficient, this device

also makes a superior low power voltage reference.

The SPX3819 is an excellent choice for use in battery-powered applications such as cordless

telephones, radio control systems, and portable computers. It is available in several fixed voltages

-- 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 5.0V -- or with an adjustable output. This device is offered

in 8 pin NSOIC, 8 pin DFN and 5-pin SOT-23 packages.

TYPICAL APPLICATION CIRCUIT

OUT

GND

ENABLE may be tied directly to V

SPX3819

BYP

(Opt.)

TOP View

Jun 5-07 Rev E

SPX3819 500mA, Low Noise LDO Voltage Regulator

漏 2007 Sipex Corporation

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