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LED Boost ARC3C0845/ARC3C0845W

LED Boost ARC3C0845/ARC3C0845W

ARC3C0845

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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 & driver circuitry. With the proprietary architecture, the ARC3C0845/ARC3C0845W provides the highest efficiency (>94%) possible in a compact 3.44 mm × 2.415 mm WLCSP40 (ARC3C0845W) or 4 mm × 4 mm 32-pin LGA package (ARC3C0845). The high switching frequency enables a small and low profile solution size aligned to the needs of the latest mobile products.

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Datasheet

Industry-Leading Product

Specifications

Io [A]

Vin [V]

4.5-15

Vo [V]

45

Peak Efficiency [%]

95

Package

QFN/WLCSP

Product Family

LED Boost

About Product

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 dimming for maximum flexibility and resolution
  • LED brightness ramp up/down control with programmable ramp rate and linear/logarithmic ramp profiles

Products displayed on this site are protected under one or more of the following U.S. Patents.

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  • Best-in-class RF performance
  • Optimal form factors with high levels of integration
  • Proven track record in top-tier smartphones
  • Active member of 3GPP and other industry affiliations
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  • Unique, patented architecture to enable higher overall system, power conversion efficiency
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