AAT2500M
400mA Step-Down Converter and 300mA LDO
Pin Descriptions
Pin #
Symbol
Function
1
2
3
4
5
6
LX
PGND
Step-down converter switching node.
Power ground for step-down converter.
Enable pin for step-down converter.
Enable pin for LDO.
Feedback input pin for step-down converter. Regulated at 0.6V for adjustable version.
LDO power output.
Input supply voltage for LDO.
Analog signal ground.
Input supply voltage for step-down converter.
EN_BUCK
EN_LDO
FB_BUCK
OUT_LDO
IN_LDO
AGND
7
8, 9, 10, 11
12
IN_BUCK
Pin Configuration
TSOPJW-12
(Top View)
1
2
3
4
5
6
12
11
10
9
LX
PGND
EN_BUCK
EN_LDO
FB_BUCK
OUT_LDO
IN_BUCK
AGND
AGND
AGND
AGND
IN_LDO
8
7
2
2500M.2007.06.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
