AAT1157 AAT, AAT1157 Datasheet - Page 3

• Manufacturer Part Number: AAT1157
• Description: DC/DC Converter
• Manufacturer: AAT

Absolute Maximum Ratings
Thermal Characteristics
Recommended Operating Conditions
1. Stresses above those listed in Absolute Maximum Ratings may cause damage to the device. Functional operation at conditions other
2. Human body model is 100pF capacitor discharged through a 1.5kΩ resistor into each pin.
3. Mounted on a demo board (FR4, in still air). Exposed pad must be mounted to PCB.
4. Derate 20mW/°C above 25°C.
1157.2005.11.1.4
than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
Symbol
Symbol
Symbol
V
CC
V
V
V
V
θ
θ
P
T
ESD
T
JC
FB
EN
JA
LX
, V
D
J
P
Description
V
LX to GND
FB to GND
EN to GND
Operating Junction Temperature Range
ESD Rating
Description
Maximum Thermal Resistance (QFN33-16)
Maximum Thermal Resistance (QFN33-16)
Maximum Power Dissipation (QFN33-16) (T
Description
Ambient Temperature Range
CC
, V
P
to GND
2
- HBM
1
3
A
1MHz 1.2A Buck DC/DC Converter
= 25°C)
3, 4
-0.3 to V
-0.3 to V
-40 to150
-0.3 to -6
-40 to 85
Value
Value
Value
3000
4.2
2.0
50
6
CC
P
+ 0.3
+ 0.3
AAT1157
Units
Units
Units
°C/W
°C/W
°C
°C
W
V
V
V
V
V
3