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CUI Inc PXO78C-500-M Non-Isolated Switching Regulators

CUI Inc PXO78C-500-M Non-Isolated Switching Regulators feature 0.5A current output and provide up to 95% high efficiency. These regulators operate at a no-load input current as low as 0.2mA with a typical 24VDC operating input voltage and a maximum capacitive load of 680µF. The PXO78C-500-M switching regulators provide continuous short-circuit protection and are available in an ultra-thin, open-frame SMD package with a thickness of ≤3.5mm. These switching regulators comply with RoHS and are certified to EN/IEC 62368-1. 

Features

  • 0.5A current output
  • Ultra-thin, open-frame SMD package, thickness ≤3.5mm
  • Up to 95% high efficiency
  • RoHS compliant
  • Continuous short-circuit protection
  • Certified to EN/IEC 62368-1

Specifications

  • 24VDC to 36VDC operating input voltage range
  • 0.2mA(typical) to 1.5mA no-load input current range
  • 680μF maximum capacitive load
  • 500kHz switching frequency at nominal input voltage, full load
  • 0.2ms(typical) to 1ms transient recovery time at nominal input voltage, 25% load step change
  • Capacitor filter
  • ±50mV (typical) to ±200mV transient response deviation at nominal input voltage, 25% load step change
  • ±0.03%/°C maximum temperature coefficient at -40°C to 85°C operating temperature range

Typical Application Circuit Diagram

Application Circuit Diagram - CUI Inc PXO78C-500-M Non-Isolated Switching Regulators

Temperature Derating Curve

Performance Graph - CUI Inc PXO78C-500-M Non-Isolated Switching Regulators

Efficiency Curves

Performance Graph - CUI Inc PXO78C-500-M Non-Isolated Switching Regulators

Dimension Diagram

Mechanical Drawing - CUI Inc PXO78C-500-M Non-Isolated Switching Regulators

Additional Resources

Inilathala: 2025-10-07 | Na-update: 2025-11-27