Datasheet > SPX3819S-1.8I

SPX3819S-1.8I

更新时间： 2024-12-02 08:25:07

品牌	Logo	应用领域
艾科嘉 - EXAR		光电二极管输出元件调节器
页数	文件大小	规格书
14页	558K
描述
Fixed Positive LDO Regulator, 1.8V, PDSO8, MS-012AA, SOIC-8

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SPX3819S-1.8I 数据手册

SPX3819

500mA, Low-Noise LDOVoltage Regulator

FEATURES

■ Low Noise: 40µV Possible

OUT

ADJ/BYP

■ High Accuracy: 1%

■ Reverse Battery Protection

■ Low Dropout: 340mV at Full Load

■ Low Quiescent Current: 90µA

■ Zero Off-Mode Current

SPX3819

5 Pin SOT-23

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

3.1V, 3.3V, 5.0V

■ 5 Pin SOT-23, TO-220, TO-263, SOT-223,

8 Pin SOIC and MSOP Packages.

GND

APPLICATIONS

■ 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,

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 SOIC-8 and 5-pin SOT-

23.

TYPICAL APPLICATION CIRCUIT

V_IN

V_OUT

SPX3819

GND

BYP

(Opt.)

ENABLE may be tied directly to V

TOP View

Rev.A Date:12/08/03

SPX3819 500mA, Low Noise LDO Voltage Regulator

12 3 4 5 6 7...14

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与SPX3819S-1.8I相关器件

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SPX3819S-2.5	ROCHESTER	获取价格	2.5V FIXED POSITIVE LDO REGULATOR, 0.7V DROPOUT, PDSO8, MO-012AA, SOIC-8
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SPX3819S-2-5	SIPEX	获取价格	500mA, Low-Noise LDO Voltage Regulator
SPX3819S-2-5	ROCHESTER	获取价格	2.5V FIXED POSITIVE LDO REGULATOR, 0.7V DROPOUT, PDSO8, MO-012AA, SOIC-8
SPX3819S-2-5/TR	SIPEX	获取价格	500mA, Low-Noise LDO Voltage Regulator