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ARC3C0845 Datasheet High-efficiency Led Backlight Driver

Manufacturer: pSemi

Overview: ARC3C0845/ARC3C0845W Document Category: Product Specification High-Efficiency LED Backlight Driver.

Datasheet Details

Part number ARC3C0845
Manufacturer pSemi
File Size 7.60 MB
Description High-Efficiency LED Backlight Driver
Datasheet ARC3C0845-pSemi.pdf

General Description

The ARC3C0845/ARC3C0845W is an ultra-high efficiency DC-DC converter solution with integrated programmable current sinks that drive up to eight strings of LEDs.

The ARC3C0845/ARC3C0845W integrates all MOSFETs and their control and driver circuitry.

With its proprietary architecture, the ARC3C0845/ARC3C0845W provides the highest efficiency—up to 96%—possible in a compact 3.44 mm x 2.415 mm WLCSP 40-pin package (ARC3C0845W) or 4 mm x 4 mm 32-pin QFN package (ARC3C0845).

Key Features

  • Synchronous DC-DC converter with integrated FETs.
  • 2- and 3-cell Li-ion battery input voltage for LED boost: 4.5V to 15V.
  • Proprietary architecture for ultra-high LED efficiency, above 88% over the operating range.
  • Integrated output disconnect switch.
  • Up to 45V output for maximum flexibility in assignment of LEDs to strings and selection of LED forward voltage.
  • Up to 12-bit dimming resolution with an additional 3-bit dithering.
  • Linear/logarithmic analog and PWM.

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