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High-Performance Dual-Output Buck Controller Evaluation Board

ISL6228LOEVAL3Z

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ISL6228LOEVAL3Z User Guide

The ISL6228LOEVAL3Z evaluation board demonstrates the performance of the ISL6228 dual-channel PWM controller. The ISL6228 features Renesas' R3™ (robust ripple regulator) technology. Channel-1 output voltage is 1.5V or 1.8V, pending the state of switch S5. Channel-2 output voltage is 1.8V. Each channel has an on-board dynamic-load generator included for evaluating the transient-load response.

ISL6228LOEVAL3Z applies a 300µs pulse of 8A load across VO1 and GND, and also a 300µs pulse of 8A load across VO2 and GND.

  • High-performance R3 technology
  • Fast transient response
  • ±1% regulation accuracy: -10 °C to +100 °C
  • Individual power stage input rail for each channel
  • Wide input voltage range: +3.3V to +25V
  • Output voltage range: +0.6V to +5V
  • Diode emulation mode for increased light load efficiency
  • Programmable PWM frequency: 200kHz to 600kHz
  • Pre-biased output start-up capability
  • Integrated MOSFET drivers and bootstrap diode
  • Internal digital soft-start
  • Power-good (PGOOD) monitor
  • Fault protection
    • Undervoltage protection
    • Soft crowbar overvoltage protection
    • Inductor DCR overcurrent protection
    • Over-temperature protection
    • Fault identification by PGOOD pull-down resistance
  • Pb-free available (RoHS compliant)
  • General purpose switching buck regulators
  • PCI express graphical processing units
  • Auxiliary power rails
  • VRMs
  • Network adapters
Featured Documentation
Type Title Date
Manual - Development Tools
ISL6228LOEVAL3Z User Guide
PDF 1.10 MB
1 item
Part NumberStatusStockBudgetary Price (USD)SampleablePb (Lead) FreeECCN (US)HTS (US)
ISL6228LOEVAL3ZActiveOut of Stock1u | $185.2N/AYesEAR998473.30.1180
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