AAT1149A Datasheet, PDF (16/17 Pages) Advanced Analogic Technologies – 2.2MHz Fast Transient 400mA Step-Down Converter

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PRODUCT DATASHEET
AAT1149A
2.2MHz Fast Transient 400mA Step-Down Converter
Ordering Information
Output Voltage¹
1.875
Package
WLCSP-5
Marking
3UYW³
Part Number (Tape and Reel)²
AAT1149AIUV-1.875-T1
All AnalogicTech products are offered in Pb-free packaging. The term “Pb-free” means semiconductor
products that are in compliance with current RoHS standards, including the requirement that lead not exceed
0.1% by weight in homogeneous materials. For more information, please visit our website at
http://www.analogictech.com/about/quality.aspx.
Package Information
0.910 ± 0.035
0.400 BSC
60°
WLCSP-5
0.180
+
-
0.030
0.025
0.380
0.300
Line_1: Part Code
Line_2: Year Code + Date Code
Line_1
Line_2
0.200 ± 0.030
Bottom View
Side View
0.140
Top View
ø 0.2 (Ref.)
Pin 1 indication
All dimensions in millimeters.
End View
1. Contact Sales for other voltage options.
3. Sample stock is generally held on part numbers listed in BOLD.
3. YW = date code (year, week) for WLCSP-5 package.
16
www.analogictech.com
1149A.2008.08.1.1