AATIAN26 Datasheet, PDF (3/4 Pages) SiGe Semiconductor, Inc. – 850kHz 1A Buck Regulator

1.500V
Voltmeter
Power Supply
3.650V 0.147A
EV-103
AAT1152 EVAL
850kHz 1A Buck Regulator
Load
0-1A
3.600V
Voltmeter
Figure 4: AAT1152 Connection Diagram.
Component
U1
U1
U1
U1
C3, C4, C5
C1
C2
R1
R2
L1
R3
R4
Part Number
AAT1152IKS-1.0-T1
AAT1152IKS-1.8-T1
AAT1152IKS-2.5-T1
AAT1152IKS-3.3-T1
GRM21BR60J226KE19
GRM319R60J106KE01
GRM155R61A104KA01
Chip Resistor
Chip Resistor
CDRH5D18-4R1
Chip Resistor
Chip Resistor
Description
1.0V 1A Buck Converter
1.8V 1A Buck Converter
2.5V 1A Buck Converter
3.3V 1A Buck Converter
22µF, 6.3V, X5R, 10%, 0805
10µF, 6.3V, X5R, 10%, 1206
0.1µF, 25V, X5R, 10%, 0402
100kΩ, 5%, 1/16W; 0402
100kΩ, 5%, 1/16W; 0402
4.1µH, 57mΩ, 1.95A Shielded
AAT1152KS-1.0-T1
Table 3, 1%, 1/16W; 0402
AAT1152IKS-1.8-T1
0Ω, 0402
AAT1152IKS-2.5-T1
0Ω, 0402
AAT1152IKS-3.3-T1
0Ω, 0402
10kΩ, 1%, 1/16W; 0402 (required with
AAT1152IKS-1.0-T1 when output is >1.0V only)
Manufacturer
AnalogicTech
AnalogicTech
AnalogicTech
AnalogicTech
MuRata
MuRata
MuRata
Vishay
Vishay
Sumida
Vishay
Vishay
Vishay
Vishay
Vishay
Table 2: AAT1152 EVAL Bill of Materials.
EV-103.2005.07.1.1
3