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LD1084 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. LD1084
Description  5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD1084 Datasheet(HTML) 1 Page - STMicroelectronics

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May 2003
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TYPICAL DROPOUT 1.3V (AT 5A)
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THREE TERMINAL ADJUSTABLE OR FIXED
OUTPUT VOLTAGE 1.5, 1.8V, 2.5V, 2.85V,
3.3V,3.6V, 5V,8V, 9V,12V.
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GUARANTEED OUTPUT CURRENT UP TO
5A
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OUPUT TOLERANCE
±1% AT 25°C AND
±2% IN FULL TEMPERATURE RANGE
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INTERNAL POWER AND THERMAL LIMIT
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WIDE OPERATING TEMPERATURE RANGE
-40°C TO 125°C
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PACKAGE AVAILABLE : TO-220, D2PAK,
D2PAK/A
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PINOUT COMPATIBILITY WITH STANDARD
ADJUSTABLE VREG
DESCRIPTION
The LD1084 is a LOW DROP Voltage Regulator
able to provide up to 5A of Output Current.
Dropout is guaranteed at a maximum of 1.5V at
the maximum output current, decreasing at lower
loads. The LD1084 is pin to pin compatible with
the older 3-terminal adjustable regulators, but has
better performances in term of drop and output
tolerance .
A 2.85V output version is suitable for SCSI-2
active termination. Unlike PNP regulators, where
a part of the output current is wasted as quiescent
current, the LD1084 quiescent current flows into
the load, so increase efficiency. Only a 10µF
minimum capacitor is need for stability.
The device is supplied in TO-220, D2PAK and
D2PAK/A. On chip trimming allows the regulator to
reach a very tight output voltage tolerance, within
±1% at 25°C.
LD1084
SERIES
5A LOW DROP POSITIVE VOLTAGE
REGULATOR ADJUSTABLE AND FIXED
SCHEMATIC DIAGRAM
TO-220
D2PAK
D2PAK/A


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