AAT1123IJS-1.2-T1 Advanced Analog Technology, Inc., AAT1123IJS-1.2-T1 Datasheet - Page 2

• Manufacturer Part Number: AAT1123IJS-1.2-T1
• Description: 1MHz Step-Down Converter
• Manufacturer: Advanced Analog Technology, Inc.

Pin Descriptions
Pin Configuration
2
6, 7, 8
Pin #
1
2
3
4
5
Symbol
AGND
PGND
OUT
VIN
EN
LX
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.
OUT
VIN
EN
LX
(Top View)
SC70JW-8
1
2
3
4
8
7
6
5
PGND
PGND
AGND
PGND
1MHz Step-Down Converter
AAT1123
1123.2007.02.1.6