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A6281

Part Number	A6281
Manufacturer	Allegro MicroSystems
Description	3-Channel Constant Current LED Driver
Published	Jan 12, 2009
Detailed Description	A6281 3-Channel Constant Current LED Driver with Programmable PWM Control Features and Benefits 3 × 10-bit PWM brightnes...
Datasheet	A6281 PDF File

Overview

A6281 3-Channel Constant Current LED Driver with Programmable PWM Control Features and Benefits 3 × 10-bit PWM brightness settings 3 × 7-bit dot correction current settings 5 to 17 V operation Wide output current range, 10 to 150 mA per channel Internally generated PWM clock Serial port operates at up to 5 MHz Data and clock logic architecture allows single com microcontroller control of large quantities of seriallyconnected A6281s at fast data transfer rate ▪ Buffered logic outputs to drive cables ▪ Thermal shutdown and UVLO protection ▪ Power-On Reset ▪ ▪ ▪ ▪ ▪ ▪ ▪ Description The A6281 is a 3-channel constant current LED driver that has a wide range of output currents.
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