1MHz 2.5A Step-Down DC/DC Converter
Absolute Maximum Ratings
1
T
A
= 25°C, unless otherwise noted.
Symbol
V
CC
, V
P
V
LX
V
FB
V
EN
T
J
T
LEAD
V
ESD
AAT1155
Description
VCC, VP to GND
LX to GND
FB to GND
EN to GND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
ESD Rating
2
- HBM
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
300
3000
Units
V
V
V
V
°C
°C
V
Thermal Characteristics
3
Symbol
Θ
JA
P
D
Description
Maximum Thermal Resistance
Maximum Power Dissipation
Value
150
833
Units
°C/W
mW
Recommended Operating Conditions
Symbol
T
Description
Ambient Temperature Range
Rating
-40 to +85
Units
°C
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at condi-
tions other than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin.
3. Mounted on a demo board (FR4, in still air).
1155.2006.09.1.7
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
