AAT2846
High Current Charge Pump with Dual LDO
for Backlight and Flash Applications
1
Absolute Maximum Ratings
Symbol
Description
Value
Units
IN, OUT, FL1, FL2, BL1, BL2, BL3, BL4, BL5, BL6 Voltage to PGND
FSET, CT, REF, FBB, OUTA, FBA, OUTB, ENA, ENB, FEN, ENS
C1+, C1-, C2+, C2- Voltage to PGND
-0.3 to 6.0
-0.3 to VIN + 0.3
V
V
PGND Voltage to AGND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
-0.3 to 0.3
-40 to 150
300
V
°C
°C
TJ
TLEAD
2
Thermal Information
Symbol
Description
Maximum Power Dissipation
Value
Units
W
3
PD
2
θJA
Maximum Thermal Resistance
50
°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 circuit board.
3. Derate 6.25 mW/°C above 25°C ambient temperature.
4
2846.2007.08.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
