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LM27966 Driver Datasheet PDF

White LED Driver

White LED Driver

 

 

 

Part Number LM27966
Description White LED Driver
Feature LM27966 White LED Driver with I2C Compat ible Brightness Control August 2006 L M27966 White LED Driver with I2C Compat ible Interface General Description The LM27966 is a highly integrated charge-p ump-based display LED driver.
The devic e can drive up to 6 LEDs in parallel wi th a total output current of 180mA.
Reg ulated internal current sources deliver excellent current and brightness match ing in all LEDs.
The LED driver current sources are split into two independent ly controlled groups.
The primary group , which can be www.
DataSheet4U.
com conf igured with 4 or 5 LEDs, can be used to backlight the .
Manufacture National Semiconductor
Datasheet
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LM27966

 

 

 


 

 

 

Part Number LM27966
Description White LED Driver
Feature LM27966 www.
ti.
com SNVS448B – JULY 2 006 – REVISED MAY 2013 LM27966 White LED Driver with I2C Compatible Interfa ce Check for Samples: LM27966 FEATURES 1
•2 91% Peak LED Drive Efficiency No Inductor Required
• 0.
3% Curren t Matching
• Drives 6 LEDs with up to 30mA per LED
• 180mA of total driver current
• I2C Compatible Brightness Control Interface
• Adaptive 1×- 3/2 × Charge Pump
• Resistor-Programmabl e Current Settings
• External Chip RE SET Pin (RESET)
• Extended Li-Ion Inp ut: 2.
7V to 5.
5V
• Small low profile industry standard leadless package, WQF N 24 : (4mm x 4mm x 0.
8mm) APPLICATIONS
• .
Manufacture Texas Instruments
Datasheet
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