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CUI Inc PXO78B-500-M Non-Isolated DC Switching Regulators

CUI Inc PXO78B-500-M Non-Isolated DC Switching Regulators offer continuous short-circuit protection with a 0.5A current output and 24VDC typical operating input voltage. These regulators feature no-load input current as low as 0.5mA, ±3% voltage accuracy at full load, up to 94% high efficiency, and 800kHz switching frequency pulse wide modulation. The PXO78B-500-M switching regulators are certified to EN/IEC 62368-1 and are compliant with RoHS. These switching regulators are available in an ultra-thin, open-frame SMD package, with a thickness of ≤3.5mm.

Features

  • 0.5A current output
  • Ultra-thin, open-frame SMD package, thickness ≤3.5mm
  • High efficiency up to 94%
  • No-load input current as low as 0.5mA
  • Continuous short-circuit protection
  • Certified to EN/IEC 62368-1
  • EN 55032 with external filter, Class B EMI/EMC
  • RoHS compliant

Specifications

  • 24VDC typical operating input voltage
  • 0.45A current at minimum Vin, full load
  • 0.1A2S inrush current as per ETS300 132-2
  • ±3% voltage accuracy at full load
  • 50mVp-p maximum ripple and noise
  • 800kHz switching frequency pulse wide modulation
  • ±0.03%/°C temperature coefficient at operating temperature of -40°C to 85°C

Derating Curve

Performance Graph - CUI Inc PXO78B-500-M Non-Isolated DC Switching Regulators

Dimension Diagram

Mechanical Drawing - CUI Inc PXO78B-500-M Non-Isolated DC Switching Regulators

Additional Resources

Publicerad: 2025-08-18 | Uppdaterad: 2025-12-15