AAT1235 Datasheet, PDF (3/21 Pages) Advanced Analogic Technologies – High Efficiency White LED Drivers for Backlight and Keypad

AAT1235
High Efficiency White LED Drivers
for Backlight and Keypad
Absolute Maximum Ratings¹
T_A = 25°C unless otherwise noted.
Symbol
VIN, IN
SW
EN/SET, Bx, Ax,
RSET, OV, LIN
T_S
T_J
T_LEAD
Description
Input Voltage
Switching Node
Maximum Rating
Storage Temperature Range
Operating Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to 6.0
28
V_IN + 0.3
-65 to 150
-40 to 150
300
Units
V
V
V
°C
°C
°C
Thermal Information²
Symbol
θ_JA
P_D
Description
Thermal Resistance
Maximum Power Dissipation³
Value
50
2
Units
°C/W
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 circuit board.
3. Derate 20mW°C above 40°C ambient temperature.
1235.2007.02.1.1
3