AAT3123/23A/24
High Efficiency 1X/1.5X Fractional Charge
Pump for White LED Applications
Absolute Maximum Ratings
1
Symbol
V
IN
V
OUT
FB, V
EN/SET
V
EN/SET(MAX)
I
OUT
2
T
J
Description
Input Voltage
Charge Pump Output
FB or EN/SET to GND Voltage
Maximum EN/SET to Input Voltage
Maximum DC Output Current
Operating Junction Temperature Range
Value
-0.3 to 6
-0.3 to 6
-0.3 to 6
0.3
150
-40 to 150
Units
V
V
V
V
mA
°C
Thermal Information
3
Symbol
θ
JA
P
D
Description
Thermal Resistance
Maximum Power Dissipation
QFN44-16
TSOPJW-12
QFN44-16
4
TSOPJW-12
5
Value
50
160
2.0
0.625
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. Mounted on an FR4 board.
4. Derate 20mW/°C above 25°C.
5. Derate 6.25mW/°C above 25°C.
3123.2005.12.1.4
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
