L1084-3.3 ETC2 [List of Unclassifed Manufacturers], L1084-3.3 Datasheet

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L1084-3.3

Manufacturer Part Number
L1084-3.3
Description
5A Fixed Low Dropout Linear Regulator (LDO)
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet

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Part Number:
L1084-3.3
Manufacturer:
ST
0
NIKO-SEM
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-263
TO-220 and TO-252 packages.
TYPICAL APPLICATION
Vin>4.75V
Cin
10uF
Basic Fixed Output Regulator Circuit
Linear Regulator (LDO)
5A Fixed Low Dropout
IN
L1084-3.3
GND
1
FEATURES
APPLICATIONS
external resistors to set the output voltage
1.2V typical at up to 5A
TO-263, TO-220 and TO-252 packages
Constant current regulator
Very easy to use, it requires only two
Low dropout voltage:
Low ground current
Fast transient response
Current & thermal limiting
Line regulation: 0.5% typical
Load regulation: 0.5% typical
High current microprocessor supplies
Low voltage logic supply
Powering VGA & sound card
Portable instrumentation
Post regulator for switching power supply
Cout
10uF
OUT
Vout=3.3V
RL
TO-252,263,220
L1084-3.3
DEC-08-2001

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L1084-3.3 Summary of contents

Page 1

... Load regulation: 0.5% typical TO-263, TO-220 and TO-252 packages APPLICATIONS High current microprocessor supplies Low voltage logic supply Powering VGA & sound card Portable instrumentation Constant current regulator Post regulator for switching power supply OUT IN L1084-3.3 GND Cout 10uF 1 L1084-3.3 TO-252,263,220 Vout=3.3V RL DEC-08-2001 ...

Page 2

... IN OUT OUT f = 120Hz 22µF for ADJ pin, ADJ OUT L1084S-3.3 TO-252 TO-263 (2-Lead) TO-263 (3-Lead) L1084-33 2 L1084-3.3 TO-252,263,220 -40 to 150 ° °C.) A Typical 3.234V 3.3V 3.367V 1.2V 0.5% = 10mA OUT ≤ 3A 0.5% OUT 10mA 55µA 7.5A 5.0A (Min) 0.003 ...

Page 3

... NIKO-SEM PIN CONFIGURATIONS 5A Fixed Low Dropout Linear Regulator (LDO) Pin # Function 1 GND 2 Output 3 Input Note: TAB is Output Pin 3 L1084-3.3 TO-252,263,220 DEC-08-2001 ...

Page 4

... NIKO-SEM TO-263 (D Dimension Min. A 14.5 B 4 0.3 F -0.102 G 8.5 5A Fixed Low Dropout Linear Regulator (LDO) 2 PAK) MECHANICAL DATA mm Dimension Typ. Max. 15 15.8 H 4.7 I 1.35 J 2.8 K 0.4 0.5 L 0.203 L1084-3.3 TO-252,263,220 mm Min. Typ. Max. 1.0 1.5 1.8 9.8 10.3 6.5 1.5 0.7 1.4 4.83 5.08 5.33 DEC-08-2001 ...

Page 5

... NIKO-SEM TO-263 (D Dimension Min. Typ. A 14.5 B 4 0.3 F -0.102 G 8.5 5A Fixed Low Dropout Linear Regulator (LDO) 2 PAK) MECHANICAL DATA mm Dimension Max. 15 15.8 H 4.7 I 1.35 J 2.8 K 0.4 0.5 L 0.203 L1084-3.3 TO-252,263,220 mm Min. Typ. Max. 1.0 1.5 1.8 9.8 10.3 6.5 1.5 0.7 1.4 4.83 5.08 5.33 DEC-08-2001 ...

Page 6

... NIKO-SEM TO-220 (3-Lead) MECHANICAL DATA Dimension Min. Typ. A 9.78 10.16 B 2.61 2. 28.5 28.9 E 14.6 15.0 F 8.4 G 0.72 5A Fixed Low Dropout Linear Regulator (LDO) mm Dimension Max. 10. 29.3 K 15.4 L 8.8 9.2 M 0.8 0. L1084-3.3 TO-252,263,220 mm Min. Typ. Max. 2.4 2.54 2.68 1.19 1.27 1.35 4.4 4.6 4.8 1.14 1.27 1.4 2.3 2.6 2.9 0.26 0.46 0.66 7° DEC-08-2001 ...

Page 7

... NIKO-SEM TO-252 (DPAK) MECHANICAL DATA Dimension Min. A 9.35 B 2.2 C 0.48 D 0.89 E 0. Fixed Low Dropout Linear Regulator (LDO) mm Dimension Typ. Max. 10.1 H 2.4 I 0.6 J 1.5 K 0.6 L 0. L1084-3.3 TO-252,263,220 mm Min. Typ. Max. 0.8 6.4 6.6 5.2 5.4 0.6 1 0.64 0.9 4.4 4.6 DEC-08-2001 ...

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