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AIC1086 Datasheet(PDF) 1 Page - Analog Intergrations Corporation

Part No. AIC1086
Description  1.5A Low Dropout Positive Regulator
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Maker  AIC [Analog Intergrations Corporation]
Homepage  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1086 Datasheet(HTML) 1 Page - Analog Intergrations Corporation

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AIC1086
1.5A Low Dropout Positive Regulator
Analog Integrations Corporation
Si-Soft Research Center
DS-1086G-02
20121225
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
1
FEATURES
Dropout Voltage 1.3V at 1.5A Output Current.
Fast Transient Response.
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,
2.85V, 3.3V, and 5V.
Standard 3-Pin Power Packages.
APPLICATIONS
Post Regulator for Switching Supply.
Battery Chargers.
PC Add-On Card.
DESCRIPTION
The AIC1086 is a low dropout three-terminal
regulator designed to provide output current up
to 1.5A. The device is available in an adjustable
version and fixed output voltage of 1.8V, 2.5V,
2.85V,
3.3V
and
5V.
Dropout
voltage
of
maximum of 1.5V is guaranteed at 1.5A output
current. The quality of low dropout voltage and
fast transient response make this device ideal
for low voltage microprocessor applications.
The AIC1086 requires output capacitance of a
minimum of 10
μF for stability. Built-in output
current limiting and thermal limiting provide
maximal protection to the AIC1086 against fault
conditions.
TYPICAL APPLICATION CIRCUIT
C2
10
F
(Note1)
VOUT
3.3V
VIN
5V
+
+
VREF
RF2
205
1%
ADJ
AIC1086
C1
10
F
2
3
1
RF1
125
1%
VREF=VOUT - VADJ=1.25V (typ.)
VOUT=VREF x (1+RF2/RF1)+ IADJ x RF2
IADJ=55A (typ.)
(1) C1 needed if device is far away from filter
capacitors.
(2) C2 required for stability.
Adjustable Voltage Regulator
C2
10
F
(Note1)
VOUT
3.3V
VIN
5V
+
+
GND
C1
10
F
AIC1086-33
2
3
1
Fixed Voltage Regulator


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