Integrated 4A Switch PWM Step-Up Regulator Evaluation Board


The ISL97656IRTZEVALZ is an evaluation kit for the ISL97656 step-up voltage regulator that operates with high frequency and high efficiency. This evaluation kit is designed to deliver up to 2A output current for portable equipment and TFT-LCD display. The ISL97656IRTZEVALZ evaluation kit provides a dip switch that allows users to select either 620kHz or 1.2MHz frequency.

The ISL97656 is a high frequency, high efficiency step-up voltage regulator operated at constant frequency PWM mode. With an internal 4.0A, 120mΩ MOSFET, it can deliver up to 2A output current at over 90% efficiency. The selectable 640kHz and 1.2MHz allows smaller inductors and faster transient response. An external compensation pin gives the user greater flexibility in setting frequency compensation allowing the use of low ESR Ceramic output capacitors.

Key Features

  • A Complete Evaluation Platform for the ISL97656 Evaluation
  • Input Voltage: 2.3V to 5.5V
  • Proven Evaluation Board Layout
  • Pb-Free (RoHS Compliant)


  • TFT-LCD Displays
  • DSL Modems
  • PCMCIA Cards
  • Digital Cameras
  • GSM/CDMA Phones
  • Portable Equipment
  • Handheld Devices

ISL97656IRTZEVALZ PWM Step-Up Regulator Eval Board

ISL97656IRTZEVALZ PWM Step-Up Regulator Eval Board


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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.