MPQ4425B Datasheet (PDF) Download
Monolithic Power Systems
MPQ4425B

Description

The MPQ4425B is a high-frequency, synchronous, rectified, step-down, switch-mode white LED driver with built-in power MOSFETs.

Key Features

  • Wide 4V to 36V Operating Input Range
  • 85mΩ/50mΩ Low RDS(ON) Internal Power MOSFETs
  • High-Efficiency Synchronous Mode Operation
  • Default 400kHz 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