AAT2500M Datasheet, PDF (2/22 Pages) Advanced Analogic Technologies – 400mA Step-Down Converter and 300mA LDO

AAT2500M
400mA Step-Down Converter and 300mA LDO
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8, 9, 10, 11
12
Symbol
LX
PGND
EN_BUCK
EN_LDO
FB_BUCK
OUT_LDO
IN_LDO
AGND
IN_BUCK
Function
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.
Pin Configuration
TSOPJW-12
(Top View)
LX ¹
PGND ²
EN_BUCK ³
EN_LDO ⁴
FB_BUCK ⁵
OUT_LDO ⁶
12 _{IN_BUCK}
11 _AGND
10 _AGND
9 _AGND
8 _AGND
7 _{IN_LDO}
2
2500M.2007.06.1.0