AAT2845A
Four-Channel Backlight Driver with Dual LDOs
Absolute Maximum Ratings
1
T
A
= 25°C, unless otherwise noted.
Symbol
Description
IN, OUT, D1,D2, D3, D4 Voltage to GND
C1+, C1-, C2+, C2- Voltage to GND
LDOA, LDOB, FBA, FBB, EN/SET, ENLDO, CBP
Voltage to GND
PGND Voltage to GND
Operating Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to 6.0
-0.3 to V
OUT
+0.3
-0.3 to V
IN
+0.3
-0.3 to +0.3
-40 to 150
300
Units
V
V
V
V
°C
°C
T
J
T
LEAD
Thermal Information
2, 3, 4
Symbol
θ
JA
P
D
Description
Thermal Resistance
Maximum Power Dissipation
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. Based on long-term current density limitation.
3. Derate 20mW/
°
C above 40
°
C ambient temperature.
4. Mounted on an FR4 circuit board.
2845A.2007.05.1.0
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
