L1085 ETC [List of Unclassifed Manufacturers], L1085 Datasheet

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L1085

Manufacturer Part Number
L1085
Description
3A Adjustable Low Dropout Linear Regulator (LDO)
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L1085-3.3V
Manufacturer:
ST
0
Part Number:
L10852
Manufacturer:
HAMAMATSU
Quantity:
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Part Number:
L1085D
Manufacturer:
NIKO
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Part Number:
L1085D-3.3
Manufacturer:
NIKO
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Part Number:
L1085DG
Manufacturer:
NIKOS
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L1085DTR
Manufacturer:
ST
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Part Number:
L1085S
Manufacturer:
NIKO
Quantity:
979
Part Number:
L1085V3.3
Manufacturer:
ST
0
GENERAL DESCRIPTION
The L1085 is a positive and low dropout
three-terminal voltage regulator with 3A 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 L1085 Series regulators are available
in the popular industry standard TO-220
TO-263 and TO-252 packages.
TYPICAL APPLICATION
NIKO-SEM
Vin
Cin
10uF
1. Cin needed if device is far from from filter capacitors.
2. Cout required for stability.
+
- Basic Adjustable Regulator Circuit -
3A Adjustable Low Dropout
Vo = Vref (1+R2/R1) + Iadj x R2
Linear Regulator (LDO)
IN
L1085
ADJ
Iadj
OUT
1
Vref
FEATURES
APPLICATIONS
external resistors to set the output voltage
1.3V typical at up to 3A
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
TO-220, TO-263 and TO-252 packages
High current microprocessor supplies
Low voltage logic supply
Powering VGA & sound card
Portable instrumentation
Constant current regulator
Post regulator for switching power supply
R1
R2
+
Vout
Cout
10uF
TO-252,263,220
MAY-31-2001
L1085

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L1085 Summary of contents

Page 1

... NIKO-SEM GENERAL DESCRIPTION The L1085 is a positive and low dropout three-terminal voltage regulator with 3A 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 ...

Page 2

... L1085S 2 TO-252,263,220 -40 to 150 ° °C.) A Typical 1.25V 1.3V 0.5% = 10mA OUT 0. OUT 10mA 55 A 5.0A 4.0A (Min) 0.003 OUT 72dB 60dB (Min) L1085S3 L1085T TO-220 L1085S3 L1085T L1085 0 to 125 °C 260 °C Limits 1.23V Min 1.27V Max 1.45V 2% 2.5% 100 A MAY-31-2001 ...

Page 3

... NIKO-SEM PIN CONFIGURATIONS 3A Adjustable Low Dropout Linear Regulator (LDO) Pin # Function 1 Adjust 2 Output 3 Input Note: TAB is Output Pin 3 L1085 TO-252,263,220 MAY-31-2001 ...

Page 4

... Adjustable Low Dropout NIKO-SEM TO-263 (D Dimension Min. Typ. A 14.5 B 4 0.3 F -0.102 G 8.5 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 L1085 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 MAY-31-2001 ...

Page 5

... NIKO-SEM TO-263 (D mm Dimension Min. Typ. A 14.5 B 4 0.3 F -0.102 G 8.5 3A Adjustable Low Dropout Linear Regulator (LDO) 2 PAK) MECHANICAL DATA Dimension Max. 15 15.8 H 4.7 I 1.35 J 2.8 K 0.4 0.5 L 0.203 L1085 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 MAY-31-2001 ...

Page 6

... NIKO-SEM TO-220 (3-Lead) MECHANICAL DATA mm 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 3A Adjustable Low Dropout Linear Regulator (LDO) Dimension Max. 10. 29.3 K 15.4 L 8.8 9.2 M 0.8 0. L1085 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 MAY-31-2001 ...

Page 7

... NIKO-SEM TO-252 (DPAK) MECHANICAL DATA mm Dimension Min. Typ. A 9.35 B 2.2 C 0.48 D 0.89 E 0. Adjustable Low Dropout Linear Regulator (LDO) Dimension Max. 10.1 H 2.4 I 0.6 J 1.5 K 0.6 L 0. L1085 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 MAY-31-2001 ...

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