AIC1084CE Analog Intergrations Corporation, AIC1084CE Datasheet

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AIC1084CE

Manufacturer Part Number
AIC1084CE
Description
Manufacturer
Analog Intergrations Corporation
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AIC1084CE
Manufacturer:
AIC
Quantity:
1 250
Part Number:
AIC1084CE-TR
Manufacturer:
AIC
Quantity:
500
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Analog Integrations Corporation
DS-1084-03
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FEATURES
APPLICATIONS
TYPICAL APPLICATION CIRCUIT
Dropout Voltage 1.3V at 5A
Fast Transient Response.
Extremely Tight Line and Load Regulation.
Current Limiting and Thermal Protection.
Adjustable Output Voltage or Fixed 1.5V, 1.8V,
3.3V.
Standard 3-Pin Power Packa
Mother Board I/O Power Supplies.
Microprocessor Power Supplies.
High Current Regulator.
Post Regulator for Switching Supply.
V
5V
V
5V
IN
IN
10 F
10 F
Adjustable Voltage Regulator
C1
C1
Sep 21, 01
Fixed Voltage Regulator
+
+
3
3
AIC1084
AIC1084-33
1
ADJ
5A Low Dropout Positive Adjustable Regulator
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
TEL: 886-3-5772500
Output Current.
1
GND
ges.
2
V
205
RF2
1%
REF
2
RF1
125
1%
+
+
C2
10 F
C2
10 F
V
3.3V
V
3.3V
FAX: 886-3-5772510
OUT
OUT
n
V
V
I
(1) C1 needed if device is far away from filter
(2) C2 required for stability.
ADJ
R E F
OUT
DESCRIPTION
The AIC1084 is a low dropout three terminal
regulator with 5A output current capability. The
output voltage is adjustable with the use of a
resistor divider or fixed 3.3V. Dropout voltage is
guaranteed to be at maximum of 1.4V with the
maximum output current. Its low dropout voltage
and fast transient response make it ideal for low
voltage microprocessor applications. Current limit
and thermal protection provide protection against
any overload condition that would create excessive
junction temperatures.
=55 A (typ.)
=V
=V
capacitors.
OUT
REF
- V
x (1+RF2/RF1)+ I
ADJ
=1.25V (typ.)
ADJ
x RF2
AIC1084
www.analog.com.tw
1

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AIC1084CE Summary of contents

Page 1

Low Dropout Positive Adjustable Regulator n FEATURES Output Current. Dropout Voltage 1. Fast Transient Response. l Extremely Tight Line and Load Regulation. l Current Limiting and Thermal Protection. l Adjustable Output Voltage or Fixed 1.5V, 1.8V, ...

Page 2

... Operating Junction Temperature Range ..................… … … … … ...................... 0 C~ 125 C Storage Temperature Range Thermal Resistance Junction to Case Thermal Resistance Junction to Ambient (Assume no ambient airflow, no heatsink) TO-263 Lead Temperature (Soldering) 10 sec. ORDER NUMBER AIC1084CE (TO-252) AIC1084CM (TO-263) AIC1084CMA (TO-263AA) AIC1084CT (TO-220) ......................… ...

Page 3

TEST CIRCUIT Refer to TYPICAL APPLICATION CIRCUIT. n ELECTRICAL CHARACTERISTICS specified) PARAMETER Reference Voltage Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Adjusted Pin Current Adjusted Pin Current Change ( I ) ADJ Temperature Stability Minimum Load ...

Page 4

BLOCK DIAGRAM + REF 1.25V 55 A ADJ n PIN DESCRIPTIONS ADJ PIN - Providing V GND PIN- Power ground. VOUT PIN - Adjustable output voltage. VIN PIN - Power Input. n TYPICAL PERFORMANCE CHARACTERISTICS ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS 1.35 1.30 1.25 1.20 1.15 1.10 1. Output Current (A) Fig. 3 Dropout Voltage ( Differential Voltage (V) Fig. 5 Minimum Operating Current ...

Page 6

PHYSICAL DIMENSIONS l TO-220 (unit: mm AIC1084 SYMBOL MIN A 3.56 D 14.23 E 9.66 e 2. 0.51 J1 2.04 L 12.70 MAX 4.82 16.51 ...

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