PRODUCT DATASHEET
AAT2146
SwitchReg
TM
Pin Descriptions
Pin #
1
2
3
4
5
6, 7, 8
Low Noise, Fast Transient 600mA Step-Down Converter
Symbol
EN
OUT
VIN
LX
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 pins. Connect to the output and input capacitor return.
Pin Configuration
SC70JW-8
(Top View)
EN
OUT
VIN
LX
1
8
PGND
PGND
PGND
AGND
2
3
4
7
6
5
2
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2146.2008.10.1.2
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