MP4425M

Active
High Efficiency 1.5A, 36V, 2.2MHz Synchronous Step Down LED Driver


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Product Description

The MP4425M is a high-frequency, synchronous, rectified, step-down, switch-mode white LED driver with built-in power MOSFETs. It offers a very compact solution to achieve a 1.5A continuous output current with excellent load and line regulation over a wide input supply range. The MP4425M has synchronous mode operation to get high efficiency. Current-mode operation provides fast transient response and eases loop stabilization. Full protection features include over-current protection (OCP) and thermal shut down (TSD). The MP4425M requires a minimal number of readily-available standard external components, and is available in a space-saving QFN-13 (2.5mmx3mm) package.

Product Features

  • EMI Reduction Technique
  • Wide 4V-to-36V Operating Input Range
  • 85mO/50mO Low RDS(ON) Internal Power MOSFETs
  • High-Efficiency Synchronous Mode Operation
  • Default 2.2MHz Switching Frequency
  • PWM Dimming (Min 100Hz Dimming Frequency)
  • Forced CCM Mode
  • 0.2V Reference Voltage
  • Internal Soft-Start
  • Fault Indication for LED Short, Open and Thermal Shutdown
  • Over-Current Protection (OCP) with Valley-Current Detection
  • Thermal Shutdown
  • Available in a QFN-13 (2.5mmx3mm) Package
  • CISPR25 Class 5 Compliant

Parametrics

  • SyncYes
  • Open LED ProtectionYes
  • PackageQFN-13 (2.5x3)
  • GradeCatalog
  • TypeBuck
  • Vfb (V)0.2
  • fsw (max) (kHz)2200
  • Iq (mA)0.6
  • Iout (max) (A)1.5
  • Vin (max) (V)36
  • Vin (min) (V)4
  • Ishutdown (µA)12

Evaluation Kit

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Kit details

The EV4425M-QB-00A is an evaluation board for the MP/MPQ4425M.

MP/MPQ4425M is a high-efficiency, synchronous, rectified, step-down, switch-mode white LED driver with built-in power MOSFETs. It offers a very compact solution to achieve a 1.5A continuous output current with excellent load and line regulation over a wide input supply range. The MP/MPQ4425M has synchronous mode operation to get high efficiency.

The EV4425M-QB-00A is a fully assembled and tested evaluation board, which generates load current up to 1.5A from a 4V to 36V input range.

$25.00 + tax