AAT1143 Datasheet, PDF (2/20 Pages) Advanced Analogic Technologies – 1MHz 400mA Step-Down Converter

AAT1143
1MHz 400mA Step-Down Converter
Pin Descriptions
Pin #
1
2
Symbol
EN
OUT
3
VIN
4
LX
5
6, 7, 8
AGND
PGND
Function
Enable pin.
Feedback input pin. This pin is connected either directly to the converter
output or to an external resistive divider for an adjustable output.
Input supply voltage for the converter.
Switching node. Connect the inductor to this pin. It is internally connected to
the drain of both high- and low-side MOSFETs.
Non-power signal ground pin.
Main power ground return pin. Connect to the output and input capacitor
return.
Pin Configuration
SC70JW-8
(Top View)
EN ¹
OUT ²
VIN ³
LX ⁴
8 _PGND
7 _PGND
6 _PGND
5 _AGND
2
1143.2005.09.1.7