AATIAN18 Datasheet, PDF (3/5 Pages) SiGe Semiconductor, Inc. – 1MHz 0.4A Buck Converter

1.500V
Voltmeter
Load
0-400mA
EV-106
AAT1143EVAL
1MHz 0.4A Buck Converter
3.600V
Voltmeter
Power Supply
3.650V 0.147A
Oscilliscope
Figure 4: AAT1143 Connection Diagram.
Component Part Number
Description
Manufacturer
U1
AAT1143IJS-0.6-T1,
1MHz 0.4A Buck Converter
AnalogicTech
AAT1143IJS-1.5-T1
C2
GRM319R60J476KE01 4.7µF, 10V, X5R, 10%, 0805
MuRata
INTERNAL DOCUMENT ^{GRM319R60J476KE01 4.7µF, 10V, X5R, 10%, 0805}
C1
GRM319R60J106KE01 10µF, 6.3V, X5R, 10%, 0805
MuRata
(optional for improved transient response¹)
R1
R2
DO NOT COPY ^{Chip Resistor}
Chip Resistor
See Table 3, 1%, 1/16W, 0402
59.0kΩ, 1%, 1/16W, 0402
CDRH3D16-4R7
L1
4.7µH, 105mΩ, 900mA, Shielded
CDRH3D16-10R
10µH, 210mΩ, 550mA, Shielded (see Table 3)
Vishay
Vishay
Sumida
C4
Chip Capacitor
100pF, 25V, C0G, 10%, 0402
Vishay
(optional for improved transient response¹)
C3
Chip Capacitor
N/A
Vishay
Table 2: AAT1143 EVAL Bill of Materials.
1. For improved transient response version, add C4 and increase C1 to 10µF.
EV-106.2005.04.1.1
3