Datasheet > 电源电路 > 线性稳压器IC> SPX3819M5-1.8/TR

SPX3819M5-1.8/TR

更新时间： 2024-01-11 09:17:34

品牌	Logo	应用领域
西伯斯 - SIPEX		稳压器
页数	文件大小	规格书
12页	138K
描述
500mA, Low-Noise LDO Voltage Regulator

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数据手册

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SPX3819M5-1.8/TR 数据手册

SPX3819

500mA, Low-Noise LDOVoltage Regulator

FEATURES

■ Low Noise: 40µV Possible

■ High Accuracy: 1%

■ Reverse Battery Protection

ADJ/BYP

GND

SPX3819 ₇⁸

■ Low Dropout: 340mV at Full Load

■ Low Quiescent Current: 90µA

■ Zero Off-Mode Current

8 Pin DFN

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

V_IN

3.1V, 3.3V, 5.0V

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

V_OUT

Packages.

APPLICATIONS

■ Battery Powered Systems

■ Cordless Phones

Now Available in Lead Free Packaging

■ 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,

thisdeviceoffersaverylowgroundcurrentof800µAat100mAoutput.TheSPX3819hasaninitialtolerance

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

V_IN

V_OUT

SPX3819

GND

BYP

(Opt.)

ENABLE may be tied directly to V

TOP View

Date:6/8/2004

SPX3819 500mA, Low Noise LDO Voltage Regulator

12 3 4 5 6 7...12

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