PRODUCT DATASHEET
AAT2789
SystemPower
TM
Low Noise, High Frequency Dual Step-Down Converter
Absolute Maximum Ratings
1
Symbol
V
IN
V
LX
V
FB
V
EN
T
J
T
LEAD
Description
VP1, VP2, VCC1, VCC2 voltages to PGND, AGND
V
LX1
, V
LX2
to PGND, AGND
V
FB1
, V
FB2
to PGND, AGND
V
EN1
, V
EN2
to PGND, AGND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
6.0
-0.3 to V
IN
+ 0.3
-0.3 to V
IN
+ 0.3
-0.3 to 6.0
-40 to 150
300
Units
V
V
V
V
°C
°C
Thermal Information
Symbol
P
D
Θ
JA
Description
Maximum Power Dissipation
2
Thermal Resistance
1
Value
2.0
50
Units
W
°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 a FR4 board.
3. Derate 20mW/°C above 25°C ambient temperature.
2789.2008.03.1.0
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