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    MPQ7235GQBE-AEC1-Z

    The MPQ7235 is a high-frequency, synchronous,
    rectified, step-down, switch-mode LED driver
    with integrated power MOSFETs. It offers a very
    compact solution to achieve 1.5A of continuous
    output current (ILED) and 3A of peak LED current
    (IPEAK), with excellent load and line regulation
    across a wide input supply range. The MPQ7235
    also offers synchronous mode operation to
    achieve high efficiency.
    The MPQ7235 supports low pulse-width
    modulation (PWM) dimming frequencies at small
    dimming duty cycles. The device can support
    PWM dimming frequencies as low as 10Hz to
    adjust infrared radiation (IR) LED driver
    applications. It is compatible with 30fps, 60fps,
    and 120fps dimming.
    Current-mode operation provides fast transient
    response and eases loop stabilization.
    Full protection features include over-current
    protection (OCP) and thermal shutdown.
    The MPQ7235 requires a minimal number of
    readily available, standard external components.
    It is available in a space-saving QFN-13
    (2.5mmx3mm) package, and is AEC-Q100
    qualified.

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      SPECIFICATION

      • Built for a Wide Range of IR LED
      Applications:
      o Wide 4V to 36V Operating Input Voltage
      (VIN) Range
      o Up to 1.5A of Continuous LED Current
      (ILED)
      o Up to 3A of Peak LED Current (IPEAK)
      with Low Dimming Frequencies at Small
      Duty Cycles
      o PWM Dimming Frequency: 10Hz to
      2kHz
      o Compatible with 30fps, 60fps, and
      120fps Dimming
      • High Performance for Improved
      Thermals:
      o 85mΩ/50mΩ Low RDS(ON) Internal Power
      MOSFETs
      o 0.2V Reference Voltage (VREF)
      o High-Efficiency Synchronous Mode
      Operation
      • Optimized for EMC and EMI:
      o Default 2.2MHz Switching Frequency
      (fSW)
      o EMI Reduction Techniques
      • Full Protection Features:
      o LED Short and Open Fault Indication
      o OCP with Valley Current Detection
      o Thermal Shutdown
      • Additional Features:
      o FCCM
      o Internal Soft Start (SS)
      o Available in a QFN-13 (2.5mmx3mm)
      Package
      o Available in a Wettable Flank Package
      o CISPR25 Class 5 Compliant
      o Available in AEC-Q100 Grade 1