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MAX6977 Datasheet

Part Name
Description
MFG CO.
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General Description
The MAX6977 serial-interfaced LED driver provides eight open-drain, constant-current sinking LED driver outputs rated at 5.5V. The MAX6977 operates from a 3V to 5.5V supply. The MAX6977 supply and the LEDs’ supply may power up in any order. The constant-current outputs are programmed together to up to 55mA using a single external resistor. The MAX6977 operates with a 25Mb, industry-standard, 4-wire serial interface.

Features
♦ 25Mb Industry-Standard 4-Wire Serial Interface at 5V
♦ 3V to 5.5V Logic Supply
♦ 8 Constant-Current LED Outputs Rated at 5.5V
♦ Up to 55mA Continuous Current per Output
♦ Output Current Programmed by Single Resistor
♦ 3% Current Matching Between Outputs
♦ 6% Current Matching Between ICs
♦ Reports Open-Circuit LED Faults
♦ -40°C to +125°C Temperature Range

Applications
   Variable Message Signs
   Marquee Displays
   Point-of-Order Signs
   Traffic Signs
   Gaming Features
   Architectural Lighting

 

Part Name
Description
PDF
MFG CO.
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Input LED Drive, 2.5 A Output Current, IGBT Drive Optocoupler with Desaturation Detection, Isolated Fault Sensing, Active Miller Clamp, and Automatic Fault Reset
Fairchild Semiconductor
16Bit Constant Current LED Sink Driver with Open/Short Circuit Detection
Unspecified
8-bit Constant Current LED Driver
Unspecified
4-Bit constant current for power-LED LED sink driver
STMicroelectronics
8-Bit CONSTANT CURRENT LED DRIVERS with 3.3v ~ 5v supply voltage
Unspecified
8-bit Constant Current LED Driver
Silicon Touch Technology Inc.

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