850kHz 700mA Synchronous
Buck DC/DC Converter
Absolute Maximum Ratings
1
Symbol
V
CC
, V
P
V
LX
V
FB
V
EN
T
J
V
ESD
AAT1151
Description
VCC, VP to GND
LX to GND
FB to GND
EN to GND
Operating Junction Temperature Range
ESD Rating
2
- HBM
Value
6
-0.3 to V
P
+ 0.3
-0.3 to V
CC
+ 0.3
-0.3 to 6
-40 to 150
3000
Units
V
V
V
V
°C
V
Thermal Characteristics
3
Symbol
Θ
JA
P
D
Description
Thermal Resistance
Maximum Power Dissipation (T
A
= 25°C)
4
MSOP-8
QFN33-16
MSOP-8
QFN33-16
Value
150
50
667
2.0
Units
°C/W
mW
W
Recommended Operating Conditions
Symbol
T
Description
Ambient Temperature Range
Value
-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.
4. Derate 6.7mW/°C above 25°C.
5. Derate 20mW/°C above 25°C.
1151.2007.01.1.6
3