PRODUCT DATASHEET
AAT1160
SwitchRegTM
12V, 3A Step-Down DC/DC Converter
JP1
Enable
TP1
GND
TP14
GND
R1
4.75K
R2
4.75K
TP2
LX
DGND
TP3
Enable
AAT1160
U1
EP2
VOUT
L1
LX
TP4
VIN
15
4
1
2
EN
IN
LX
LX
TP5
VIN
VOUT
3.8μH
C1
100pF
R3
5
3
9
10
IN
FB
C2
0.1μF
432K
R4
10
TP6
VOUT
N/C
AIN
COMP
TP7
VIN
7
11
12
C3
22μF
C4
22μF
C5
NP
R5
AGND
N/C
50K
6
13
C6
R6
59K
DGND
DGND
14
8
TB2
VOUT
10μF
SYNC
LDO
TB1
VIN
C7
150pF
16
PGND
C8
1μF
EP1
TP8
GND
C9
1μF
DGND
TP9
GND
TP10
TP12
GND
TP11
GND
TP13
GND
*
SYNC
DGND
*Note: Connect GND, DGND, and AGND at IC
Inductor -Sumida CDRH103RNP-3R3NC-B
JP2
SYNC
Figure 2: AAT1160 Evaluation Board Schematic.
Figure 3: AAT1160 Evaluation Board
Component Side Layout.
Figure 4: AAT1160 Evaluation Board
Solder Side Layout.
w w w . a n a l o g i c t e c h . c o m
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1160.2007.11.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
