ERM75 High input range Series

75 Watt DC-DC Converters (High Input Models)

The ERM75 series high performance 75 watt isolated DC-DC converter modules are designed specifically for railway applications. The high input versions feature a 66 to 160 Vdc input that complies with the European EN50155 standard for electronic equipment used on railway rolling stock. There is a choice of four single output models, offering voltages of 5 V, 12 V, 15 V or 24 V.

Fully encapsulated in a metal case with an isolated baseplate, the converters have an industry-standard 2.28 x 1.45 inch (57.9 x 36.8mm) quarter-brick footprint and a height of just 0.5 inch (12.7 mm). Reinforced insulation rated at 3000 Vac rms and high EMI immunity qualifies these converters for many demanding applications in railway and other transportation systems.

Advanced circuit topology provides up to 92% efficiency and allows the converters to accommodate ambient operating temperatures as high as 80˚C with suitable derating. An optional heatsink is available. Further features include differential remote sense, remote On/Off and undervoltage shutdown, as well as overload and short-circuit protection.

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  • 最大总功率:
    75 W
  • 最大总电流:
    15 A
  • 输入电压:
    66 V to 160 V
  • 输出电压:
    5 V 至 24 V
  • 输出路数:
  • 尺寸(长 x 宽 x 高):
    2.280" x 1.450" x 0.500"
  • 保修期
    3 years
  • 工作温度:
    -40°C to +85°C

Electrical Specifications

  • Input
  • Output
  • Isolation
  • Other
  • Input range: 66 - 160 Vdc
  • Input Efficiency: 92% @ 12 Vo
  • Voltage tolerance: ±1.0%
  • Overload protection: 150% typ of Io max, hiccup
  • Insulation resistance: 1000Mohm
  • Insulation capacitance: 3000pF
  • Isolation voltage: 3000Vac
  • Switching frequency:: 320 KHz
  • Mechanical : Baseplate 1/4 brick encapsulated
  • Small 57.9 x 36.8 x12.7 mm package
  • Input Range 66-160 Vdc
  • High Efficiency up to 92%
  • No Minimum Load Requirement
  • Operating Temp. Range -40 °C to +80 °C
  • Reinforced Insulation 3000 VACrms
  • Under-Voltage Shutdown
  • Remote On/Off
  • Metal Case with Isolated Baseplate
  • Vibration and Thermal Shock to EN61373
  • Safety meets EN60950-1 and Railway Standard EN50155



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