AATIAN27 Datasheet, PDF (3/4 Pages) SiGe Semiconductor, Inc. – 1MHz 3A Buck DC/DC Switch Mode Regulator

EV-104
AAT1154EVAL
1MHz 3A Buck DC/DC Switch Mode Regulator
C: Enable Input and Power OK Output
1. Short the enable pin to GND. The output should decay to zero.
2. Remove the short applied to the enable pin. The output should recover to its initial value.
Power Supply
3.650V 0.147A
3.600V
Voltmeter
1.500V
Voltmeter
Load
0-3.0A
Figure 4: AAT1154 Connection Diagram.
Component
U1
U1
U1
U1
CR1
C2
C4
C1
C3
R1
R2
L1
R3
R4
Part Number
AAT1154IKS-1.0-T1
AAT1154IKS-1.8-T1
AAT1154IKS-2.5-T1
AAT1154IKS-3.3-T1
B340LA
594D127X96R6R3C2T
565D107X0016C
GRM319R60J106KE01
GRM155R61A104KA01
Chip Resistor
Chip Resistor
CDRH6D28-1R5
Chip Resistor
Chip Resistor
Description
1.0V, 1MHz, 3.0A Buck Converter
1.8V, 1MHz, 3.0A Buck Converter
2.5V, 1MHz, 3.0A Buck Converter
3.3V, 1MHz, 3.0A Buck Converter
Low V_F, 3A, 40V Schottky Diode
120µF, 6.3V, Tantalum
100µF, 16V, Tantalum
10µF, 6.3V, X5R, 10%, 1206
0.1µF, 25V, X5R, 10%, 0603
100kΩ, 5%, 1/10W, 0603
100kΩ, 5%, 1/10W, 0603
1.5µH Shielded Inductor
AAT1154IKS-1.0-T1, Table 3, 1%, 1/10W, 0603
AAT1154IKS-1.8-T1 thru AAT1154IKS-3.3 -T1; 0Ω, 0603
AAT1154IKS-1.0-T1 (for output greater than 1.0V);
10kΩ, 1%, 1/10W; 0603
AAT1154IKS-1.8-T1 thru AAT1154IKS-3.3 -T1
Table 2: AAT1154 EVAL Bill of Materials.
Manufacturer
AnalogicTech
AnalogicTech
AnalogicTech
AnalogicTech
Diodes Inc.
Vishay
Vishay
MuRata
MuRata
Vishay
Vishay
Sumida
Vishay
Vishay
Vishay
n/a
EV-104.2005.01.1.0
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