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ETC - 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)

Numéro de référence L1117
Description 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
Fabricant ETC 
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L1117 fiche technique
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NIKO-SEM
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
L1117 Series
SOT-223, TO-252,
TO-220,TO-263
GENERAL DESCRIPTION
The L1117 Series are positive and low drop-
out three-terminal voltage regulators with
1A output current capability. These devices
are designed for use in low voltage applica-
tions that offers lower dropout voltage and
faster transient response.
These devices are fully protected against
over current faults, over temperature oper-
ation, reversed input polarity, reversed lead
insertion, transient voltage spike …etc.
On-Chips trimming the reference voltage to
2% and features the low dropout of maxi-
mum 1.45 volts.
The L1117 Series regulators offer fixed and
adjustable voltage options available in the
popular industry standard SOT-223, TO-220,
TO-252 and TO-263 packages.
FEATURES
z Fixed 2.5V, 2.85V, 3.3V, 5V or adjustable
output voltage
z Low dropout voltage:
1.2V typical at up to 1A
z Low ground current
z Fast transient response
z Current & thermal limiting
z Line regulation: 0.5% typical
z Load regulation: 0.5% typical
zSOT-223,TO-220,TO-252,TO-263
package
APPLICATIONS
z 2.85V active SCSI terminators
z 8-15V to 5V linear regulators
z 5V to 2.5V or 3.3V linear regulators
z Low voltage micro-controllers
z Battery Chargers
z Motherboard clock supplies
z Post regulator for switching supplies
z Micro-controllers
ABSOLUTE MAXIMUM RATINGS
z Maximum Supply Voltage
z Power Dissipation
z Thermal Resistance
Junction to Case, θJC
z Thermal Resistance
Junction to Ambient, θJA
SOT-223
TO-252
TO-220
TO-263
15V*
Internally
Limited
16 °C/W
158 °C/W
70 °C/W
50 °C/W
60 °C/W
z Operating Junction
Temperature Range
z Storage Temperature
Range
z Lead Temperature
(Soldering, 10 Seconds)
0 to 125 °C
-40 to 150 °C
260 °C
* When considering short circuits to ground, the maximum input-to-output differential voltage shall not be allowed
greater than approximate 2~3V at values of supply voltage in excess of 10V, continuous short-circuits can exceed
the power dissipation ratings and cause eventual destruction.
DataSheet4 U .com
1 JUL-27-2001

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