AATIAN25 Datasheet, PDF (3/5 Pages) SiGe Semiconductor, Inc. – 850kHz 700mA Buck Regulator

1.500V
Voltmeter
EV-109
AAT1151 QFN EVAL
850kHz 700mA Buck Regulator
Load
0 - 700mA
Power Supply
3.650V 0.147A
3.600V
Voltmeter
Oscilloscope
Figure 4: AAT1151 QFN Connection Diagram.
Component
U1
U1
U1
C3-C7¹
C3-C7¹
C1
C2
R1
R2
R3
R4
L1
Part Number
AAT1151IVN-1.0-T1
AAT1151IVN-1.8-T1
AAT1151IVN-2.5-T1
GRM21BR60J106KE19
GRM21BR60J226KE39
GRM319R60J106KE01
GRM155R61A104KA01
Chip Resistor
Chip Resistor
Chip Resistor
Chip Resistor
CDRH3D16-3R3
Description
1.0V 700mA Adjustable Buck Converter
1.8V 700mA Buck Converter
2.5V 700mA Buck Converter
10µF, 6.3V, X5R, 10%, 0805
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
AAT1151IVN-1.0-T1 See Table 3, 1%,
1/16W; 0402
AAT1151IVN-1.8-T1 0Ω, 0402
AAT1151IVN-2.5-T1 0Ω, 0402
10kΩ, 1%, 1/16W; 0402
(AAT1151IVN-1.0-T1 only)
3.3 µH 85mΩ 1.1A Shielded
Note 1: Either 4x 10µF or 2x 22µF capacitors can be used for C3-C7.
Quantity Manufacturer
1
AnalogicTech
1
AnalogicTech
1
AnalogicTech
4
MuRata
2
MuRata
1
MuRata
1
MuRata
1
Vishay
1
Vishay
1
1
Vishay
1
1
Vishay
1
Sumida
Table 2: AAT1151 QFN EVAL Bill of Materials.
EV-109.2005.04.1.1
3