Datasheet > AIC1117_15

AIC1117_15

更新时间： 2025-07-23 01:12:03

品牌	Logo	应用领域
沛亨 - AIC		/
页数	文件大小	规格书
12页	260K
描述
800mA Low Dropout Positive Regulator

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AIC1117_15 数据手册

AIC1117

800mA Low Dropout Positive Regulator

FEATURES

DESCRIPTION



Dropout Voltage 1.2V at 800mA Output Current.

Fast Transient Response.

The AIC1117 is a low dropout, three terminals

regulator designed to provide output current

up to 800mA. 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 1.4V is guaranteed at 800mA

output current. The quality of low dropout

voltage and fast transient response make this

device ideal for low voltage microprocessor

applications.



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.

Standard 3-Pin Power Packages.



APPLICATIONS



The AIC1117 requires output capacitance of a

minimum of 10μF for stability. Built-in output

current limiting and thermal limiting provide

maximal protection to the AIC1117 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

AIC1117

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

V_IN

AIC1117-33

V_OUT

3.3V

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-1117G-02 20131018

TEL: 886-3-5772500

FAX: 886-3-5772510

www.analog.com.tw

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