AAT2556 Datasheet, PDF (21/27 Pages) Advanced Analogic Technologies – Battery Charger and Step-Down Converter for Portable Applications

DATA SHEET
AAT2556
Battery Charger and Step-Down Converter for Portable Applications
BAT
C2
2.2μF
JP4
1 2 3 Buck Input
ADP
R4
R3
VIN
59kΩ
118kΩ
C5
100pF
U1 AAT2556
1
2
3
4
5
6
FB
VIN
GND
LX
EN_BUCK GND
EN_BAT ADP
ISET
GND
BAT
STAT
12
11
10
9
8
7
R2
8.06kΩ
C3
4.7μF
VOUT
L1 _VOUT
3μH
C4
4.7μF
JP1
R1
D1 _0Ω
1kΩ
RED LED
C1
10μF
123
JP3
Enable_Buck
12
JP2
Enable_Bat
Figure 5: AAT2556 Evaluation Board Schematic.
Figure 6: AAT2556 Evaluation Board
Top Side Layout.
Figure 7: AAT2556 Evaluation Board
Bottom Side Layout.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202177B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013
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