1MHz 3A Buck DC/DC Converter
Absolute Maximum Ratings
Symbol
V
CC
, V
P
V
LX
V
FB
V
EN
T
J
V
ESD
AAT1154
(T
A
=25°C unless otherwise noted)
Value
6
-0.3 to V
P
+0.3
-0.3 to V
CC
+0.3
-0.3 to V
CC
+0.3
-40 to 150
3000
Description
V
CC
, V
P
to GND
LX to GND
FB to GND
EN to GND
Operating Junction Temperature Range
ESD Rating
1
- HBM
Units
V
V
V
V
°C
V
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
Θ
JA
P
D
Description
Thermal Resistance
2
Maximum Power Dissipation (T
A
= 25°C)
2, 3
Value
110
909
Units
°C/W
mW
Note 2: Mounted on a demo board (FR4, in still air).
Note 3: Derate 9.1mW/°C above 25°C.
Recommended Operating Conditions
Symbol
T
Description
Ambient Temperature Range
Rating
-40 to +85
Units
°C
1154.2003.08.0.91
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
