8A Low Quiescent Current High Efficiency Synchronous Buck Regulator Evaluation Boards


The ISL8018EVAL3Z evaluation board is intended for use by individuals with requirements for Point-of-Load applications sourcing from 2.7V to 5.5V. The ISL8018EVAL3Z is used for a complete demonstration of the performance of the ISL8018 low quiescent high efficiency synchronous buck regulator.

The ISL8018EVAL3Z evaluation board is a 76.2mmx76.2mm 4-layer FR4 board with 2oz copper in all layers. The complete converter occupies 438.71mm2 area.

ISL8018DEMO1Z demo boards are also available!

Key Features

  • High efficiency synchronous buck regulator with up to 97% efficiency
  • ±10% output voltage margining
  • Adjustable current limit
  • Start-up with prebiased output
  • Internal soft-start - 1ms or adjustable
  • Soft-stop output discharge during disabled
  • Adjustable frequency from 500kHz to 4MHz - default at 1MHz
  • External synchronization up to 4MHz - master to slave phase shifting capability


  • DC/DC POL modules
  • μC/μP, FPGA and DSP power
  • Plug-in DC/DC modules for routers and switchers
  • Portable instruments
  • Test and measurement systems
  • Li-ion battery powered devices

ISL8018EVAL3Z Board Top

ISL8018EVAL3Z Board Top

ISL8018EVAL3Z Board Bottom

ISL8018EVAL3Z Board Bottom


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Disclaimer: THIS MATERIAL IS PROVIDED “AS-IS” FOR EVALUATION PURPOSES ONLY. RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (collectively, “Renesas”) DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION, FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. Renesas provides evaluation platforms and design proposals to help our customers to develop products. However, factors beyond Renesas' control, including without limitation, component variations, temperature changes and PCB layout, could significantly affect the product performance. It is the user’s responsibility to verify the actual circuit performance.