IRU1117-18 데이터 시트보기 (PDF) - International Rectifier
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IRU1117-18 Datasheet PDF : 8 Pages
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IRU1117-18(PbF)
PIN DESCRIPTIONS
PIN#
1
PIN SYMBOL PIN DESCRIPTION
Gnd
Ground pin. This pin must be connected to ground plane using a low inductance short
connection.
2
VOUT
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.
3
VIN
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.
BLOCK DIAGRAM
VIN 3
2 VOUT
+
CURRENT
LIMIT
THERMAL
SHUTDOWN
1.25V +
1 Gnd
Figure 2 - Simplified block diagram of the IRU1117-18.
www.irf.com
3
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