AAT1140 Datasheet, PDF (2/19 Pages) Advanced Analogic Technologies – Fast Transient 600mA Step-Down Converter

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PRODUCT DATASHEET
AAT1140
Fast Transient 600mA Step-Down Converter
Pin Descriptions
Pin #
1
2
3
4
5
Symbol
EN
GND
LX
IN
OUT
Function
Enable pin.
Ground pin. Connect to the output and input capacitor return.
Switching node. Connect the inductor to this pin. It is internally connected to the drains of both high- and
low-side MOSFETs.
Input supply voltage for the converter.
Feedback input pin. This pin is connected either directly to the converter output or to an external resistive
divider for an adjustable output.
Pin Configuration
SOT23-5
(Top View)
EN ¹
GND ²
LX ³
5 _OUT
4 _IN
2
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1140.2007.12.1.1