AAT1150 Advanced Analogic Technologies, AAT1150 Datasheet - Page 13

• Manufacturer Part Number: AAT1150
• Description: 1MHz 1A Step-Down DC/DC Converter
• Manufacturer: Advanced Analogic Technologies

1150.2005.03.1.2
Figure 4: AAT1150 Layout Top Layer.
Figure 6: 3.3V to 1.25V Converter (Adjustable Output).
10µF
C1
V
IN
+ 3.3V
C1 Murata 10µF 6.3V X5R GRM42-6X 5R106K6.3
C2, C4 MuRata 22µF 6.3V GRM21BR60J226ME39L X5R 0805
L1 Sumida CDRH4D28-2R7µH
R2
100k
0.1µF
R1 100
C3
EN
VP
VCC
EN
SGND
AAT1150-1.0
V-
PGND
1MHz 1A Step-Down DC/DC Converter
FB
LX
LX
R3
2.55k 1%
R4
10k 1%
Figure 5: AAT1150 Layout Bottom Layer.
2.7µH
L1
V
O
+ 1.25V 1A
C2, C4
2x 22µF
AAT1150
13