SPX3819S-1.8 Datasheet

IC型號：
SPX3819S-1.8
PDF描述：
500mA, Low-Noise LDO Voltage Regulator
文件大小：
138.15KB
PDF頁數(shù)：
12頁
芯片廠家：
SIPEX

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SPX3819

500mA, Low-Noise LDO Voltage Regulator

FEATURES

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Low Noise: 40碌V Possible

High Accuracy: 1%

Reverse Battery Protection

Low Dropout: 340mV at Full Load

Low Quiescent Current: 90碌A

Zero Off-Mode Current

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

3.1V, 3.3V, 5.0V

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5 Pin SOT-23, 8 Pin nSOIC and 8 pin 2X3 DFN

Packages.

Battery Powered Systems

Cordless Phones

Radio Control Systems

Portable/Palm Top/Notebook Computers

Portable Consumer Equipment

Portable Instrumentation

Bar Code Scanners

SMPS Post Regulators

ADJ/BYP

GND

OUT

SPX3819

8 Pin DFN

APPLICATIONS

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Now Available in Lead Free Packaging

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 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

drop 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

Date:6/8/2004

SPX3819 500mA, Low Noise LDO Voltage Regulator

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