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MSL2023 - 2-String LED Driver

General Description

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3.

Key Features

  • Dual-string LED driver for 2-color or 2 unequal VF LEDs.
  • Phase shifted register controlled dimming (MSL2023).
  • Individual PWM inputs (MSL2024).
  • Adaptively controls headroom of AC/DC or DC/DC, isolated or non-isolated topologies.
  • Main LED string driven by linear current controller.
  • Drives external N-channel MOSFET.
  • ± 3% current accuracy, no ripple current.
  • 8-bit DAC for peak current control.
  • Color-adjust LED string uses floating buck controller.
  • D.

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Full PDF Text Transcription for MSL2023 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MSL2023. For precise diagrams, and layout, please refer to the original PDF.

Atmel LED Drivers MSL2023 / MSL2024 2-String LED Driver with Individual PWM Dimming and Adaptive Headroom Control for High CRI LED Luminaires Features  Dual-string LED d...

View more extracted text
droom Control for High CRI LED Luminaires Features  Dual-string LED driver for 2-color or 2 unequal VF LEDs  Phase shifted register controlled dimming (MSL2023)  Individual PWM inputs (MSL2024)  Adaptively controls headroom of AC/DC or DC/DC, isolated or non-isolated topologies  Main LED string driven by linear current controller  Drives external N-channel MOSFET  ± 3% current accuracy, no ripple current  8-bit DAC for peak current control  Color-adjust LED string uses floating buck controller  Drives external N-channel MOSFET  Over 100:1 dimming range  Open and short LED detection  8-bit DAC allows changing c

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