Description
The LM2755 is a charge-pump-based, constant current LED driver capable of driving 3 LEDs with a total output current up to 90mA.
Features
- 1.
- 2 90% Peak Efficiency.
- Total solution size < 13mm2.
- No Inductor Required: Only 4 Inexpensive
Ceramic Caps.
- 3 Independently Controlled Constant Current
Outputs.
- Programmable Trapezoidal Dimming
Waveform on Each Output.
- Programmable Timing Control Via Internal
Registers and External Clock Synchronization Input.
- 32 Exponential Dimming Steps with 800:1 Dimming Ratio.
- Programmable Brightness Control via I2CCompatible Interface.
LM2755 Datasheet
