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PDF ( 数据手册 , 数据表 ) L1084S3

零件编号 L1084S3
描述 5A Adjustable Low Dropout Linear Regulator (LDO)
制造商 ETC
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L1084S3 数据手册, 描述, 功能
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NIKO-SEM
5A Adjustable Low Dropout
Linear Regulator (LDO)
L1084
TO-252, 263, 220
GENERAL DESCRIPTION
The L1084 is a positive and low dropout
three-terminal voltage regulator with 5A out-
put current capability. This device is design-
ed for use in low voltage applications that
offers lower dropout voltage and faster tran-
sient response.
This device is fully protected against over
current faults, over temperature operation,
reversed input polarity, reversed lead insert-
ion, transient voltage spike …etc.
On-Chips trimming the reference voltage to
1% and features the low dropout of maxi-
mum 1.45 volts.
The L1084 Series regulators are available
in the popular industry standard TO-220,
TO-263 and TO-252 packages.
FEATURES
z Very easy to use, it requires only two
external resistors to set the output voltage
z Low dropout voltage:
1.2V typical at up to 5A
z Low ground current
z Fast transient response
z Current & thermal limiting
z Line regulation: 0.5% typical
z Load regulation: 0.5% typical
z TO-220, TO-263 and TO-252 packages
APPLICATIONS
z High current microprocessor supplies
z Low voltage logic supply
z Powering VGA & sound card
z Portable instrumentation
z Constant current regulator
z Post regulator for switching power supply
TYPICAL APPLICATION
DataSheet4U.com
DataShee
Vin
Cin
10uF
+
L1084
IN OUT
ADJ Vref
Iadj
Vout
R1
Cout
+
10uF
R2
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Vo = Vref (1+R2/R1) + Iadj x R2
1. Cin needed if device is far from from filter capacitors.
2. Cout required for stability.
- Basic Adjustable Regulator Circuit -
1
MAY-31-2001







L1084S3 pdf, 数据表
www.DataSheet4U.com
NIKO-SEM
5A Adjustable Low Dropout
Linear Regulator (LDO)
L1084
TO-252, 263, 220
TO-252 (DPAK) MECHANICAL DATA
mm mm
Dimension Min. Typ. Max. Dimension Min. Typ.
A 9.35
10.1 H
0.8
B 2.2
2.4 I 6.4
C 0.48
0.6 J 5.2
D 0.89
1.5 K 0.6
E 0.45
0.6 L 0.64
F 0.03
0.23
M
4.4
G6
6.2 N
Max.
6.6
5.4
1
0.9
4.6
et4U.com
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8 MAY-31-2001














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