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ARC3C0845W - High-Efficiency LED Backlight Driver

Download the ARC3C0845W datasheet PDF. This datasheet also covers the ARC3C0845 variant, as both devices belong to the same high-efficiency led backlight driver family and are provided as variant models within a single manufacturer datasheet.

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.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ARC3C0845-pSemi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ARC3C0845W
Manufacturer pSemi
File Size 7.60 MB
Description High-Efficiency LED Backlight Driver
Datasheet download datasheet ARC3C0845W Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
ARC3C0845/ARC3C0845W Document Category: Product Specification High-Efficiency LED Backlight Driver 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). The high switching frequency enables a small and low-profile solution size aligned to the needs of the latest mobile products.