AAT1130 Datasheet, PDF (15/18 Pages) Advanced Analogic Technologies – 2.5MHz 500mA Step-Down DC/DC Converter

DATA SHEET
AAT1130
2.5MHz 400mA Step-Down DC/DC Converter
R2
59k
R1
C3
100pF
VIN _VOUT
GND
VOUT
C1
4.7μF
L1
C2
4.7μF
U1
1 _FB
GND ¹⁰
2 _VOUT
GND ⁹
3 _VCC
GND ⁸
4 _VP
GND ⁷
5 _LX
EN ⁶
AAT1130_ ADJ
V_OUT
1V
1.5V
1.8V
L1
1μH
1.5μH
1.8μH, 2.2μH
GND
VIN
1
2_B A
C³
J1 HEADER
U1
C1, C2
C3
R1
R2
L1
AAT1130 Analogic Technologies, 2.5MHz, 400mA Buck Converter
Cap, MLC, 4.7μF/6.3V, 0805
Cap, MLC, 100pF/6.3V, 0402 (optional)
Carbon film resistor, 0402 (adjust to output voltage)
Carbon film resistor, 59kΩ, 0402
LQM2HP-GO, 1.5μH, Murata, ISAT = 1.5A, DCR = 70mΩ;
or VLF3010A, 1.5μH, TDK, ISAT = 1.2A, DCR = 68mΩ
Figure 3: AAT1130 Evaluation Board Schematic.
Figure 4: AAT1130 Evaluation Board
Top Side PCB Layout.
Figure 5: AAT1130 Evaluation Board
Bottom Side PCB Layout.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201977B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013
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