Dual 2A/1.7A Low Quiescent Current 2.25MHz Synchronous Buck Regulator Evaluation board


The ISL8022EVAL1Z and ISL8022EVAL2Z kits are intended for use by individuals with requirements for point-of-load applications sourcing from 2.8V to 5.5V. These evaluation boarda are used to demonstrate the performance of the ISL8022 low quiescent current mode converter.

Key Features

  • Dual 2A/1.7A High Efficiency Synchronous Buck Regulator with up to 97% Efficiency
  • 180° Out-of-Phase
  • Power-Goods (PG) Output with 1ms Delay
  • 2.8V to 5.5V Supply Voltage
  • 3% Output Accuracy Over-temperature/Load/Line
  • Start-up with Pre-biased Output
  • 40µA Quiescent Supply Current in PFM Mode
  • Selectable Forced PWM Mode and PFM Mode
  • External Synchronization up to 8MHz
  • Typical 6.5µA Logic Controlled Shutdown Current
  • 100% Maximum Duty Cycle for Lowest Dropout
  • Internal Current Mode Compensation
  • Peak Current Limiting, Hiccup Mode Short Circuit Protection and Over-temperature Protection
  • Negative Current Detection and Protection
  • ISL8022EVAL1Z additional features:
    • Internal Digital Soft-Start - 5ms
    • Soft-Stop Output Discharge During Disabled
  • ISL8022EVAL2Z additional features:
    • Small form-factor


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

ISL8022EVAL1Z Buck Regulator Evaluation Board

ISL8022EVAL1Z Buck Regulator Evaluation Board


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