PRODUCT DATASHEET
AAT2845
ChargePump
TM
Absolute Maximum Ratings
1
T
A
= 25°C, unless otherwise noted. Pin descriptions below apply to AAT2845-EE (AAT2845-QG/-QI).
Symbol
Description
IN, OUT, D1, D2, D3, D4 Voltage to GND/PGND
C1+, C1-, C2+, C2- Voltage to GND/PGND
LDOA, LDOB, FBA (N/C), FBB (N/C), EN/SET, ENLDO, CBP Voltage to GND/PGND
PGND Voltage to GND/PGND
Operating Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Four-Channel Backlight Driver with Dual LDOs
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
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 conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Derate 20mW/°C above 40°C ambient temperature.
3. Mounted on a FR4 circuit board.
2845.2008.05.1.2
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