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SEMICONDUCTOR
TECHNICAL DATA
1X/1. 5X Fractional Charge Pump for White LED Driver with 32step Dimming Control.
The KAC3304DU is low noise constant frequency charge pump DC/DC converter specially designed to drive up to four white LEDs on 32step dimming control. Dual (1x/1.5x) Modes and low dropout voltage of LED driver maximize efficiency for the white LED application over full Li-ion battery input range. Various kinds of protection circuits protect your system from every undesirable output condition. Features
KAC3304DU
Analog CMOS Integrated Circuits
A
B C
A
F
H
D Pin 1
E
Top View Bottom View
DIM
K
MILLIMETERS
1x/1.5x dual charge pump modes with auto detection. Excellent Power Efficiency. (more than 92% of PMAX) LED current matching of 2%.(Typ.) Power-down current below 1 A.
KAC3304DU Datasheet
