Description
TM MP1519 1x, 1.5x, 2x High Efficiency Charge Pump 4 White LED Driver The Future of Analog IC Technology TM .
The MP1519 is a fully automatic driver for powering four white LEDs, with up to 4V forward voltage, from a single Li-Ion or three NiMH cells.
Features
* 2% LED Current Matching
* High Efficiency (>93%)
* Current Source Outputs
* No Ballast Resistors Required
* 1x, 1.5x and 2x Automatic Modes
* Constant Frequency Operation
* Automatic LED Detection
* High and Low Frequency PWM Capabili
Applications
* Cell Phones
* PDA or Hand Held Computers
* White LED Application at 3.6V Supply
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION
MP1519
BATT
5, 13
4
BATT C1A
ENABLE
12 EN
7 C1B
11
6
RADJ C2A
GND