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AP1122 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AP1122
Description  1A LOW DROPOUT POSITIVE REGULATOR
PDF  11 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1122 Datasheet(HTML) 2 Page - Diodes Incorporated

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AP1122
1A LOW DROPOUT POSITIVE REGULATOR
AP1122
Document number: DS31012 Rev. 9 - 2
2 of 11
www.diodes.com
May 2010
© Diodes Incorporated
Typical Application Circuit
C2
100uF
2.5V
1.2V/1A
Tab is VOUT
VIN
VOUT
GND
C1
100uF
Pin Descriptions
Pin Name
I/O
Pin #
Description
GND
I
1
Ground Pin
VOUT
O
2
The output of the regulator. A minimum of 10uF capacitor (0.15
Ω ≤ ESR ≤ 20Ω)
must be connected from this pin to ground to insure stability.
VIN
I
3
The input pin of 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.
Functional Block Diagram
3
Thermal
Shutdown
1
2
VOUT
GND
1.2V
+
+
CURRENT
LIMIT
VIN
+
+



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