Diodes AP1121 - Manual (Page 2)

AP1121
DUAL 1A LOW DROPOUT POSITIVE REGULATOR
AP1121 Rev. 5 2 of 7 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
V
OUT1
V
OUT2
V
IN1
V
IN2
1
2
3
4
8
7
6
5 GND
GND
GND
GND
SOP-8L
AP1121
( Top View )
Pin Name Descriptions
GND Ground
3.3V(V
OUT1
)
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. 2.5V/1.8V
(V
OUT2
)
V
IN
The input pin of regulator. Typically a large storage capacitor (0.15 Ω ≤ ESR ≤ 20Ω) is
connected from this pin to ground.
Pin Assignments
Pin Descriptions