PRODUCT DATASHEET
AAT3221/2
PowerLinearTM
150mA NanoPower™ LDO Linear Regulator
Pin Descriptions
Pin #
AAT3221
SOT23-5
SC70JW-8
AAT3222 Symbol Function
1
2
2
2
1
IN
GND
Input pin.
Ground connection pin.
5, 6, 7, 8
Enable input. Logic compatible enable with active high or active low option
available; see Ordering Information and Applications Information for details.
3
4
5
EN (EN)
4
5
3
1
4
3
NC
OUT
Not connected.
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
5
1
1
OUT
EN (EN)
NC
IN
GND
8
GND
IN
1
GND
GND
GND
GND
OUT
IN
2
3
4
7
6
5
2
3
2
3
NC
(EN) EN
4
4
NC
(EN) EN
OUT
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2
3221.2007.11.1.12
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
