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IRU1117-18 Fiches technique(PDF) 3 Page - International Rectifier

No de pièce IRU1117-18
Description  800mA LOW DROPOUT POSITIVE FIXED 1.8V REGULATOR
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Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo IRF - International Rectifier

IRU1117-18 Fiches technique(HTML) 3 Page - International Rectifier

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IRU1117-18
3
Rev. 1.1
06/29/01
PIN DESCRIPTIONS
Ground pin. This pin must be connected to ground plane using a low inductance short
connection.
The output of the regulator. This pin is also connected to the tab of the package. An output
capacitor must be connected to this pin to insure stability of the regulator.
Input pin of the regulator. Typically a large storage capacitor is connected from this pin to
ground to insure that the input voltage does not sag below the minimum dropout voltage
during the load transient response. This pin must always be 1.3V higher than Vout in order
for the device to regulate properly.
1117-18blk1-1.0
Vin 3
1 Gnd
2 Vout
THERMAL
SHUTDOWN
CURRENT
LIMIT
1.25V
+
+
BLOCK DIAGRAM
Figure 2 - Simplified block diagram of the IRU1117-18
PIN#
PIN SYMBOL
PIN DESCRIPTION
1
2
3
Gnd
Vout
Vin


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