AAT1154
1MHz 3A Buck DC/DC Converter
Absolute Maximum Ratings (TA=25°C unless otherwise noted)
Symbol
VCC, VP
VLX
VFB
VEN
TJ
VESD
Description
VCC, VP to GND
LX to GND
FB to GND
Value
Units
V
V
V
V
6
-0.3 to VP+0.3
-0.3 to VCC+0.3
-0.3 to VCC+0.3
-40 to 150
EN to GND
Operating Junction Temperature Range
°C
V
1
ESD Rating - HBM
3000
Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at con-
ditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time.
Note 1: Human body model is a 100pF capacitor discharged through a 1.5K resistor into each pin.
Thermal Characteristics
Symbol
Description
Thermal Resistance
Maximum Power Dissipation (TA = 25°C)
Value
110
909
Units
°C/W
mW
2
ΘJA
PD
2, 3
Note 2: Mounted on a demo board (FR4, in still air).
Note 3: Derate 9.1mW/°C above 25°C.
Recommended Operating Conditions
Symbol
Description
Ambient Temperature Range
Rating
-40 to +85
Units
°C
T
1154.2003.08.0.91
3
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