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AIC1086 Fiches technique(PDF) 1 Page - Analog Intergrations Corporation

No de pièce AIC1086
Description  1.5A Low Dropout Positive Adjustable Regulator
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Fabricant  AIC [Analog Intergrations Corporation]
Site Internet  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1086 Fiches technique(HTML) 1 Page - Analog Intergrations Corporation

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AIC1086
1.5A Low Dropout Positive Adjustable Regulator
Analog Integrations Corporation
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
www.analog.com.tw
DS-1086-00
May 16, 00
TEL: 886-3-5772500
FAX: 886-3-5772510
1
n FEATURES
l
Dropout Voltage 1.3V at 1.5A Output Current.
l
Fast Transient Response.
l
Line Regulation typically at 0.015%.
l
Load Regulation typically at 0.1%.
l
Internal Thermal and Current Limiting.
l
Adjustable Output Voltage or Fixed 2.85V, 3.3V,
5V.
l
Standard 3-Pin Power Packages.
n APPLICATIONS
l
Post Regulator for Switching Supply.
l
Battery Chargers.
l
Constant-Current Regulators.
l
PC Add-On Card.
n DESCRIPTION
The AIC1086 is a low dropout three terminal
regulator with 1.5A output current capability. The
output voltage is adjustable with the use of a
resistor divider or fixed 2.85V, 3.3V, 5V. Dropout
is guaranteed at a maximum of 1.5V at
maximum output current. Its low dropout voltage
and fast transient response make it ideal for low
voltage microprocessor applications. Internal
current and thermal limiting provides protection
against any overload condition that would create
excessive junction temperatures.
n TYPICAL APPLICATION CIRCUIT
C2
10µF
VOUT
3.3V
VIN
5V
+
+
VREF
RF2
205Ω
1%
ADJ
AIC1086
C1
10µF
2
3
1
RF1
125Ω
1%
V
REF=VOUT - VADJ=1.25V (typ.)
V
OUT=VREF x (1+RF2/RF1)+ IADJ x RF2
I
ADJ=55 µA (typ.)
(1) C1 needed if device is far away from filter
capacitors.
(2) C2 required for stability.
Adjustable Voltage Regulator
C2
10µF
VOUT
3.3V
VIN
5V
+
+
GND
C1
10µF
AIC1086-33
Fixed Voltage Regulator


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