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AIC1117_15 PDF预览

AIC1117_15

更新时间: 2024-09-29 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

AIC1117_15 数据手册

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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  
VREF=VOUT - VADJ=1.25V (typ.)  
2
3
VIN  
5V  
AIC1117  
VOUT  
3.3V  
VOUT=VREF x (1+RF2/RF1)+ IADJ x RF2  
I
ADJ=55A (typ.)  
RF1  
125  
1%  
VREF  
ADJ  
1
+
+
C1  
C2  
(1) C1 needed if device is far away from filter  
capacitors.  
10F  
RF2  
205  
1%  
10F  
(Note1)  
(2) C2 required for stability.  
Adjustable Voltage Regulator  
3
2
VIN  
5V  
AIC1117-33  
VOUT  
3.3V  
1
+
+
C1  
10F  
C2  
10F  
(Note1)  
GND  
Fixed Voltage Regulator  
Analog Integrations Corporation  
Si-Soft Research Center  
3A1, 1 Li-Hsin 1st Rd., Science Park , Hsinchu 300, Taiwan , R.O.C.  
DS-1117G-02 20131018  
TEL: 886-3-5772500  
FAX: 886-3-5772510  
www.analog.com.tw  
1

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