2A Synchronous Buck Regulator with Integrated MOSFETs Evaluation Board


The ISL8502AEVAL1Z, ISL8502EVAL1Z boards evaluate the ISL8502 is a synchronous buck controller with internal MOSFETs.

The ISL8502 and ISL8502A are synchronous buck controllers with internal MOSFETs packaged in a small 4mmx4mm QFN package. They can support a continuous load of 2A and has a very wide input voltage range. With the switching MOSFETs integrated into the IC, the complete regulator footprint can be very small and provide a much more efficient solution than a linear regulator. PGOOD delay for ISL8502A has been decreased to 1ms typical (at 500kHz switching frequency) compared to 250ms (at 500kHz) for ISL8502.

Key Features

  • 2A Continuous Output Current
  • Integrated MOSFETs for Small Regulator Footprint
  • Adjustable Switching Frequency, 500kHz to 1.2MHz
  • Tight Output Voltage Regulation, ±1% Over-Temperature
  • Wide Input Voltage Range, 5V ±10% or 5.5V to 14V
  • Wide Output Voltage Range, from 0.6V
  • Simple Single-Loop Voltage-Mode PWM Control Design
  • Input Voltage Feed-Forward for Constant Modulator Gain
  • Fast PWM Converter Transient Response
  • Lossless rDS(ON) High Side and Low Side Overcurrent Protection
  • Undervoltage Detection
  • Integrated Thermal Shutdown Protection
  • Power-Good Indication
  • Adjustable Soft-Start


  • Point of Load Applications
  • Graphics Cards - GPU and Memory Supplies
  • ASIC Power Supplies
  • Embedded Processor and I/O Supplies
  • DSP Supplies

ISL8502EVAL1Z Buck Regulator Eval Board

ISL8502EVAL1Z Buck Regulator Eval Board


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