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AL58263 - 16-BIT PWM DIMMING LED DRIVER

Datasheet Summary

Description

The AL58263 is a 16-channel constant-current LED driver with 16-bit grayscale Adaptive Pulse Density Modulation (APDM) and supports error diagnostics, power-saving functionality, and current gain control.

Features

  • Input Voltage VDD: 3V to 5.5V.
  • Output Current Range.
  • 2~55mA/5V, 2~35mA/3.3V.
  • ±0.1% Output current regulation capability.
  • 6-bit global current control: from 12.5% to 200%.
  • 16 Constant-Current Sink Output Channel.
  • 16-bit grayscale resolution with Adaptive Pulse Density Modulation control.
  • 15V rated output channels for long LED strings.
  • Fast Transient Response.
  • supports external grayscale clock with double ed.

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Datasheet preview – AL58263

Datasheet Details

Part number AL58263
Manufacturer DIODES
File Size 1.61 MB
Description 16-BIT PWM DIMMING LED DRIVER
Datasheet download datasheet AL58263 Datasheet
Additional preview pages of the AL58263 datasheet.

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Full PDF Text Transcription

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AL58263 16-CHANNEL, 16-BIT PWM DIMMING LED DRIVER Description The AL58263 is a 16-channel constant-current LED driver with 16-bit grayscale Adaptive Pulse Density Modulation (APDM) and supports error diagnostics, power-saving functionality, and current gain control. This distinctive APDM technology abates the non-ideal IOUT distortion due to non-symmetric transient responses and enhances the refresh rate by efficiently separating the frame waveform. Pin Assignments (3D Photo – Not to Scale) The device operates over a 3V to 5.5V input voltage range, 15V output channel voltage, fast 25MHz DCK input, and delivers up to 55mA of high-accuracy current to each LED string. Each channel’s output current can be programmable through a digital interface individually.
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