AAT3134
High Efficiency 1X/1.5X Fractional
Charge Pump for White LED Applications
Absolute Maximum Ratings1
Symbol
Description
Value
Units
VIN
Input Voltage
-0.3 to 6.0
-0.3 to 6.0
-0.3 to 6.0
0.3
V
V
VOUT
Charge Pump Output
FB, VEN/SET
VEN/SET(MAX)
FB or EN/SET to GND Voltage
Maximum EN/SET to Input Voltage
Maximum DC Output Current
Operating Junction Temperature Range
V
V
2
IOUT
150
mA
°C
TJ
-40 to 150
Thermal Information3
Symbol
Description
Value
Units
θJA
θJC
PD
Thermal Resistance
50
15
2
°C/W
W
Thermal Resistance
Maximum Power Dissipation
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.
3134.2005.12.1.1
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
