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LM2755 Controller Datasheet PDF

Charge Pump LED Controller

Charge Pump LED Controller

 

 

 

Part Number LM2755
Description Charge Pump LED Controller
Feature LM2755 www.
ti.
com SNVS433D – OCTOBER 2007 – REVISED APRIL 2013 LM2755 Ch arge Pump LED Controller with I2C-Compa tible Interface in DSBGA Package Check for Samples: LM2755 FEATURES 1
•2 9 0% Peak Efficiency
• Total solution s ize < 13mm2
• No Inductor Required: O nly 4 Inexpensive Ceramic Caps
• 3 In dependently Controlled Constant Current Outputs
• Programmable Trapezoidal D imming Waveform on Each Output
• Prog rammable Timing Control Via Internal Re gisters and External Clock Synchronizat ion Input
• 32 Exponential Dimming St eps with 800:1 Dimming Ratio
• Progra mmable Brightness Control via I2CC .
Manufacture Texas Instruments
Datasheet
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LM2755

 

 

 


 

 

 

Part Number LM2755
Description Charge Pump LED Controller
Feature LM2755 Charge Pump LED Controller with I 2C Compatible Interface October 2007 LM2755 Charge Pump LED Controller with I2C Compatible Interface www.
datasheet4 u.
com in Micro SMD General Description The LM2755 is a charge-pump-based, cons tant current LED driver capable of driv ing 3 LEDs with a total output current up to 90mA.
The diode current waveforms of each LED can be trapezoidal with ti ming and level parameters (rise time, f all time, high level, low level, delay, high time, low time) programmed via an I2C compatible interface.
The 32 brigh tness levels found on the LM2755 are ex ponentially sp .
Manufacture National Semiconductor
Datasheet
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LM2755

 

 

 

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