VIN
C1
4.7μF
GND
1
VP
2 VIN
U1
8
PGND
LX 7 LX
3
GND
6
EN
4 FB
N/C 5
AAT1120
DATA SHEET
AAT1120
500mA Step-Down Converter
L1
C2
R1
4.7μF Adj.
+VOUT
C3
(optional)
100pF
Figure 1: AAT1120 Schematic.
R2
59kΩ
GND
Figure 2: AAT1120 Evaluation Board
Top Side Layout.
Figure 3: Exploded View of AAT1120
Evaluation Board Top Side Layout.
Figure 4: AAT1120 Evaluation Board
Bottom Side Layout.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
14
201973B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013