PRODUCT DATASHEET
AAT1146
SwitchRegTM
FastTransient 400mA Step-Down Converter
Absolute Maximum Ratings1
Symbol
Description
Value
Units
VIN
VLX
VOUT
VEN
TJ
Input Voltage GND
LX to GND
OUT to GND
EN to GND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
6.0
V
V
V
V
°C
°C
-0.3 to VIN + 0.3
-0.3 to VIN + 0.3
-0.3 to VIN + 0.3
-40 to 150
TLEAD
300
Thermal Information
Symbol
Description
Value
Units
SC70JW-8
SOT23-5
SC70JW-8
SOT23-5
625
667
160
150
PD
Maximum Power Dissipation2, 3
mW
θJA
Thermal Resistance2
°C/W
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions 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. SC70JW-8: Derate 6.25mW/°C above 25°C.
SOT23-5: Derate 6.67mW/°C above 25°C.
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1146.2008.06.1.6
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