AAT1146
Fast Transient 400mA Step-Down Converter
Absolute Maximum Ratings1
Symbol
Description
Value
Units
VIN
VLX
Input Voltage GND
6.0
V
V
LX to GND
-0.3 to VIN + 0.3
-0.3 to VIN + 0.3
-0.3 to 6.0
-40 to 150
300
VOUT
VEN
TJ
OUT to GND
V
EN to GND
V
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
°C
°C
TLEAD
Thermal Information
Symbol
Description
Value
Units
PD
Maximum Power Dissipation2, 3
Thermal Resistance2
625
160
mW
θJA
°C/W
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. Mounted on an FR4 board.
3. Derate 6.25mW/°C above 25°C.
1146.2006.04.1.3
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
