Datasheet > AIC1117A-25

AIC1117A-25

更新时间： 2024-02-23 00:30:32

品牌	Logo	应用领域
沛亨 - AIC		/
页数	文件大小	规格书
11页	220K
描述
1A Low Dropout Positive Regulator

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AIC1117A-25 数据手册

AIC1117A

1A Low Dropout Positive Regulator

FEATURES

DESCRIPTION



Dropout Voltage 1.3V at 1A Output Current.

Fast Transient Response.

The AIC1117A is a low dropout, three terminals

regulator designed to provide output current up

to 1A. The device is available in an adjustable

version and fixed output voltage of 1.8V, 2.5V

and 3.3V. Dropout voltage of maximum of 1.5V



Line Regulation, typical at 0.015%.

Load Regulation, typical at 0.1%

Current Limiting and Thermal Protection.

Adjustable Output Voltage or Fixed at 1.8V, 2.5V

and 3.3V.

is guaranteed at 1A output current. The quality

of low dropout voltage and fast transient

response make this device ideal for low voltage

microprocessor applications.

Standard 3-Pin Power Packages.



APPLICATIONS



The AIC1117A requires output capacitance of a

minimum of 10μF for stability. Built-in output

current limiting and thermal limiting provide

maximal protection to the AIC1117A against

fault conditions.

Active SCSI Terminators.

Post Regulators for Switching Supplies.

Battery Chargers.



PC Add-On Card.

TYPICAL APPLICATION CIRCUIT



V_REF=V_OUT- V_ADJ=1.25V (typ.)

V_IN

AIC1117A

V_OUT

3.3V

V_OUT=V_REFx (1+RF2/RF1)+ I_ADJx RF2

_ADJ=55A (typ.)

RF1

125

V_REF

ADJ

(1) C1 needed if device is far away from filter

capacitors.

10F

RF2

205

10F

(Note1)

(2) C2 required for stability.

Adjustable Voltage Regulator

AIC1117A-33

3.3V

OUT

10F

(Note1)

GND

Fixed Voltage Regulator

Analog Integrations Corporation

Si-Soft Research Center

3A1, 1 Li-Hsin 1^stRd., Science Park , Hsinchu 300, Taiwan , R.O.C.

DS-1117AG-02 20131018

TEL: 886-3-5772500

FAX: 886-3-5772510

www.analog.com.tw

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