PRODUCT DATASHEET
AAT2557
TM
SystemPower
500mA Battery Charger and 300mA LDO Regulator for Portable Systems
Figure 3: AAT2557 Evaluation Board
Top Side Layout.
Figure 4: AAT2557 Evaluation Board
Bottom Side Layout.
JP1
U1
ADP
TSOPJW-14
TB1
INLDO
C3
7
11
6
INLDO
ADP
INLDO
C1
10μF
4.7μF
D1
AAT2557ITO
GND
GND
R2 1.5k
9
4
GND
JP2
STAT
TB2
BAT
EN_BAT
BAT
JP3
INLDO
GND
1
10
3
EN_LDO
EN_LDO
OUTLDO
BYP
C2
10μF
TP1
5
ISET
GND
R1
8.06k
C4
2.2μF
C5
10nF
GND
Figure 5: AAT2557 Evaluation Board Schematic.
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2557.2009.07.1.2