Wide VIN Dual Standard Buck Regulator Evaluation Board


The ISL85033DUALEVAL1Z kit is intended for use by individuals with requirements for Point-of-Load applications sourcing from 4.5V to 28V. The ISL85033DUALEVAL1Z evaluation board is used to demonstrate the performance of the ISL85033 wide VIN dual standard buck regulator with 3A/3A output current converter.

The ISL85033 is offered in a 4mmx4mm 28 Ld TQFN package with 1mm maximum height. The complete converter occupies 6.25cm2 area.

Key Features

  • Wide Input Voltage Range from 4.5V to 28V
  • Adjustable Output Voltage with Continuous Output Current up to 3A
  • Current Mode Control
  • Adjustable Switching Frequency from 300kHz to 2MHz
  • Independent Power-Good Detection
  • Selectable In-Phase or Out-of-Phase PWMs Switching Operation
  • Independent, Sequential, Ratiometric or Absolute Tracking Between Outputs
  • Internal 2ms Soft-start Time
  • Overcurrent and Hiccup Mode Short Circuit Protection, Thermal Overload Protection, UVLO
  • Boot Undervoltage Detection
  • Channels are Out-of-phase, Reducing Voltage Ripple and Component Size


  • General purpose point-of-load DC/DC power conversion
  • Set-top boxes
  • FPGA power and STB power
  • DVD and HDD drives
  • LCD panels, TV power
  • Cable modems

ISL85033DUALEVAL1Z Buck Regulator Eval Board

ISL85033DUALEVAL1Z Buck Regulator Eval Board


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