AAT1239-1_0810 Datasheet, PDF (3/23 Pages) Advanced Analogic Technologies – 40V Step-Up Converter for 4 to 10 White LEDs

SwitchReg^TM
PRODUCT DATASHEET
AAT1239-1
40V Step-Up Converter for 4 to 10 White LEDs
Part Number Descriptions
Part Number
AAT1239ITP-1
SEL Polarity
HIGH
LOW
0.6V ≥ V_FB ≥ 0.3V
0.4V ≥ V_FB ≥ 0.1V
S²C Feedback Voltage Programming
See Table 2
Absolute Maximum Ratings¹
T_A = 25°C unless otherwise noted.
Symbol
PVIN, VIN
SW
LIN, EN/SET, SEL, FB
T_J
T_S
T_LEAD
Description
Input Voltage
Switching Node
Maximum Rating
Operating Temperature Range
Storage Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Thermal Information
Symbol
θ_JA
P_D
Description
Thermal Resistance
Maximum Power Dissipation
Value
-0.3 to 6.0
45
V_IN + 0.3
-40 to 150
-65 to 150
300
Units
V
V
V
°C
°C
°C
Value
160
625
Units
°C/W
mW
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.
1239-1.2008.10.1.2
www.analogictech.com
3