PRODUCT DATASHEET
AAT1130
TM
SwitchReg
2.5MHz 500mA Step-Down DC/DC Converter
J1 HEADER
3
C
B
2
A
1
U1
1
2
3
4
5
10
9
EN
GND
GND
VOUT
VIN
VOUT
VCC
VP
8
GND
7
GND
C1
GND
6
4.7μF
LX
PGND
AAT1130_FIXED
L1
VOUT
C2
4.7μF
VOUT
1.2V
1.8V
L1
1.2μH, 1.5μH
1.5μH, 2.2μH
Figure 2: AAT1130 Fixed Output Voltage Evaluation Board Schematic.
R2
59k
R1
C3
100pF
U1
FB
GND
1
2
3
4
5
10
9
GND
GND
GND
GND
EN
VIN
VIN
VOUT
VOUT
VCC
VP
8
7
1
C1
4.7μF
GND
6
2
3
A
LX
B
C
AAT1130_ ADJ
L1
J1 HEADER
VOUT
VOUT
1V
L1
1μH
C2
4.7μF
1.3V, 1.5V
1.8V
1.5μH
1.5μH, 2.2μH
Figure 3: AAT1130 Adjustable Output Voltage Evaluation Board Schematic.
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1130.2008.08.1.1
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