AAT2789 Datasheet, PDF (3/22 Pages) Advanced Analogic Technologies – Low Noise, High Frequency Dual Step-Down Converter

SystemPower^TM
PRODUCT DATASHEET
AAT2789
Low Noise, High Frequency Dual Step-Down Converter
Absolute Maximum Ratings¹
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)
Thermal Information
Symbol
P_D
Θ_JA
Description
Maximum Power Dissipation²
Thermal Resistance¹
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
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
www.analogictech.com
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