LM2755 - Charge Pump LED Controller

National Semiconductor

The LM2755 by National Semiconductor is a Charge Pump LED Controller. Below is the official datasheet preview.

Datasheet Details

Part number	LM2755
Manufacturer	National Semiconductor
File Size	1.67 MB
Description	Charge Pump LED Controller
Datasheet	LM2755_NationalSemiconductor.pdf
Additional preview pages of the LM2755 datasheet.

The LM2755 is a charge-pump-based, constant current LED driver capable of driving 3 LEDs with a total output current up to 90mA.

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 I2C compatible interface Hardware Enable.

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Published: Jun 8, 2009 |