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LT1585A Datasheet(PDF) 1 Page - ON Semiconductor

Part No. LT1585A
Description  5A LOW DROPOUT FAST RESPONSE POSITIVE ADJUSTABLE AND FIXED VOLTAGE REGULATOR
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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 1 page
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Device
Tested
Operating
Temp.
Range
Package
LT1585A
SILICON MONOLITHIC
INTEGRATED CIRCUIT
5A LOW DROPOUT FAST
RESPONSE POSITIVE
ADJUSTABLE AND FIXED
VOLTAGE REGULATOR
ORDERING INFORMATION
LT1585ACT
0 to 125
°C
TO–220
Order this document by LT1585A/D
T SUFFIX
PLASTIC PACKAGE
CASE 221A
3
1
LT1585ACM
0 to 125
°C
D2PAK
CM SUFFIX
PLASTIC PACKAGE
CASE 936
(D2PAK)
2
3
1
2
Adjustable output:
Pin 1. Adjust
Pin 2. Vout
Pin 3. Vin
Fixed 1.5V output:
Pin 1. Gnd
Pin 2. Vout
Pin 3. Vin
LT1585ACT–1.5 0 to 125
°C
TO–220
Output
Voltage
Type
ADJ.
ADJ.
FIXED
1.5V
LT1585ACM–1.5 0 to 125
°C
D2PAK
FIXED
1.5V
1
MOTOROLA ANALOG IC DEVICE DATA
5A Low Dropout Fast Response
Positive Adjustable and Fixed
Voltage Regulators
The LT1585A is a low dropout 3–terminal voltage regulator with 5A output
current capability.
Design has been optimized for low voltage applications where transient
response and minimum input voltage are critical. This voltage regulator
features a low dropout voltage and fast transient response. These
improvements make them ideal for low voltage microprocessor applications
requiring a regulated 2.5V to 3.6V output with an input supply below 7V.
Current limits is trimmed to ensure specified output current and controlled
short–circuit current. On–chip thermal limiting provides protection against
any combination of overload that would create excessive junction
temperatures. The LT1585A is available in the industry standard 3–pin
TO–220 and D2PAK power package.
Features
Fast Transient Response
Guaranteed Dropout Voltage at Multiple Currents
Load Regulation: 0.05% Typ
Trimmed Current Limit
On–Chip Thermal Limiting
Standard 3–Pin Power Package
Applications
Pentium® Processor Supplies
Power PC™ Supplies
Other 2.5V to 3.6V Microprocessor Supplies
Low Voltage Logic Supplies
Battery–Powered Circuitry
Post Regulator for Switching Supply
Simplified Block Diagram
Vin
Vout
+
Thermal
Limit
Adjust
© Motorola, Inc. 1999
Rev 0




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