EVQ2483-Q-00A

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55V, Programmable Frequency White LED Driver Evaluation Board AEC-Q100 Qualified

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  • 1
    US$ 50.00 /unit

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Product Description

The MPQ2483 is a 55V, white LED driver suitable for either step-down or inverting step‑up/down applications. It achieves 2.5A peak current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes thermal shutdown, cycle­by­cycle peak current limiting, input over voltage protection, open strings protection and output short circuit protection.

The MPQ2483 incorporates both DC and PWM dimming onto a single control pin. The separate input reference ground pin allows for direct enable and/or dimming control for a positive to negative power conversion.

The MPQ2483 is package in QFN10 (3 x 3)mm.

Product Features

  • Unique Step-up/down Operation (Buck-Boost Mode)
  • Wide 4.5V to 55V Operating InputRangefor Step-Down Applications (Buck Mode)
  • 0.28Ω Internal Power MOSFET Switch
  • Adjustable Switching Frequency
  • Analog and PWM Dimming
  • 0.198V Reference Voltage
  • 5μA Shutdown Mode
  • No minimum LED required
  • Stable with Low ESR Output Ceramic Capacitors
  • Cycle-by-Cycle Over Current Protection
  • Thermal Shutdown Protection
  • Open Strings Protection
  • Output Short Circuit Protection
  • Available in 10-Pin 3x3 QFN Package

Parametrics

  • IC Supported 1MPQ2483

Monolithic IC

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IC Details

The MPQ2483 is a 55V, 2.5A, white LED driver suitable for either step-down or inverting step up/down applications. It achieves 2.5A peak output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes thermal shutdown, cycle­by­cycle peak current limiting, output over voltage protection, open strings protection and output short circuit protection. The MPQ2483 incorporates both DC and PWM dimming onto a single control pin. The separate input reference ground pin allows for direct enable and/or dimming control for a positive to negative power conversion. The MPQ2483 requires a minimum number of readily available standard external components and is available in a 10-pin 3x3mm QFN package.