PRODUCT DATASHEET
AAT2688
TM
SystemPower
4.5A PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters
Ordering Information
Voltage
Package
Channel 1
Adjustable
Channel 2
1.8
Marking1
Part Number (Tape and Reel)2
AAT2688IFK-AI-T1
TQFN45-24
3WXYY
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.
Legend
Voltage
Code
Adjustable
1.8
A
I
Package Information
TQFN45-243
Pin 1 Dot
by Marking
Pin 1 Identification
Chamfer 0.400 x 45°
4.000 0.050
2.800 0.050
0.400 0.050
0.203 REF
0.000 - 0.050
Side View
0.250 0.050
0.500 BSC
2.000 REF
Top View
Bottom View
All dimensions in millimeters.
1. XYY = Assembly and date code.
2. Sample stock is generally held on part numbers listed in BOLD.
3. The leadless package family, which includes QFN, TQFN, DFN, TDFN and STDFN, has exposed copper (unplated) at the end of the lead terminals due to the manufacturing
process. A solder fillet at the exposed copper edge cannot be guaranteed and is not required to ensure a proper bottom solder connection.
w w w . a n a l o g i c t e c h . c o m
2688.2008.06.1.0
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