CUI Inc DQQ3-S DC-DC Converters

CUI Inc DQQ3-S DC-DC Converters offer up to 3W isolated output and input voltage ranges of 9VDC to 36VDC and 18VDC to 75VDC. These DC-DC converters feature a 4:1 input range, single- and dual-regulated outputs, and remote on/off control. DQQ3-S converters provide various protections, including continuous short circuit and input undervoltage. CUI Inc DQQ3-S DC-DC Converters are suitable for consumer electronics, digital/analog systems, and small-scale automation applications.

Features

  • Single- and dual-regulated outputs
  • Remote on/off control
  • No tantalum capacitor inside
  • Continuous short-circuit protection
  • Input undervoltage protection

Applications

  • Consumer electronics
  • Digital systems
  • Analog systems
  • Small-scale automation

Specifications

  • Up to 3W isolated output
  • 4:1 input range
  • 1500VDC isolation rating
  • Input voltage ranges
    • 9VDC to 36VDC
    • 18VDC to 75VDC
  • Up to 85% efficiency
  • 50mVp-p ripple and noise
  • -40°C to +100°C operating temperature range with derating
  • Certified to EN/IEC 62368-1
  • EN 55032 Class A and Class B with external components

Dimensions

Mechanical Drawing - CUI Inc DQQ3-S DC-DC Converters
Published: 2025-01-16 | Updated: 2025-01-30