AAT3221/2
150mA NanoPower™ LDO Linear Regulator
Pin Descriptions
Pin #
AAT3221
SOT23-5
SC70JW-8
AAT3222
2
1
5
Symbol
IN
GND
EN (EN)
Function
Input pin.
Ground connection pin.
Enable input. Logic compatible enable with
active high or active low option available; see
Ordering Information and Applications
Information for details.
Not connected.
Output pin; should be decoupled with 1µF or
greater capacitor.
1
2
3
2
5, 6, 7, 8
4
4
5
3
1
4
3
NC
OUT
Pin Configuration
AAT3221
SOT23-5
(Top View)
IN
GND
(EN) EN
1
5
AAT3221
SC70JW-8
(Top View)
OUT
OUT
IN
NC
(EN) EN
1
2
3
4
8
7
6
5
AAT3222
SOT23-5
(Top View)
GND
GND
GND
GND
GND
IN
OUT
1
5
EN (EN)
2
2
3
4
NC
3
4
NC
2
3221.2005.12.1.11