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