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AAT1149A View Datasheet(PDF) - Analog Technology Inc

Part Name
Description
MFG CO.
AAT1149A
Analog-Technology
Analog Technology Inc Analog-Technology
'AAT1149A' PDF : 17 Pages View PDF
1 2 3 4 5 6 7 8 9 10 Next
SwitchRegTM
PRODUCT DATASHEET
AAT1149A
2.2MHz Fast Transient 400mA Step-Down Converter
Pin Descriptions
Pin #
1
2
3
4
5
Symbol
FB
EN
AGND
PGND
IN
LX
Function
Feedback input pin. Connect this pin ito the converted output voltage node.
Enable pin.
Non-power signal ground pin.
Main power ground return pins. Connect to the output and input capacitor return.
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.
Pin Configuration
WLCSP-5
(Top View)
FB 1 2 EN
AGND/PGND 3
IN 4 5 LX
2
www.analogictech.com
1149A.2008.08.1.1
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