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AP1120

DUAL 1A LOW DROPOUT POSITIVE REGULATOR

AP1120 Rev. 2 2 of 7 FEBRUARY 2009

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Pin Assignments

GND1

VIN 2

VIN 1

GND 2

2.5V (1.8V)

3.3V

2.5V (1.8V)

3.3V

SOP-8L

AP1120

( Top View )

Pin Descriptions

Pin Name Description

GND1/2 Ground

3.3V (Vout1)

The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω) must be

connected from this pin to ground to insure stability.

2.5V/1.8V

(Vout2)

VIN1/2

The input pin of regulator. Typically a large storage capacitor (0.15Ω ≤ ESR ≤ 20Ω) is

connected from this pin to ground.

1 2 3 4 5 6 7

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