AVD75 Series

75 Watt Sixteenth-Brick Isolated DC-DC Converters

The AVD75 series of sixteenth-brick isolated DC-DC converters comprises two single output models offering fully regulated voltages of 1.2 V or 3.3 V, rated at 25 amps and 20 amps respectively. Both converters have a wide 2:1 input range of 36 to 75 Vdc and are designed primarily for use with standard 48 V telecommunications equipment supplies. Rated at 75 watts, they employ an open-frame construction, offer up to 91% efficiency and accommodate an ambient operating temperature range of -40 to 85˚C. A baseplate option is available for enhanced thermal performance. The converters use fixed frequency switching to minimize the need for external EMI filtering.

Standard features include output trim, remote enable, undervoltage lockout and differential remote sense. The converters offer up to 91% full load efficiency and are comprehensively protected against overvoltage, overcurrent and overtemperature conditions. AVD75 series converters have an installed height of just 0.4 inch (10.5 mm), making them ideal for systems with demanding inter-board spacing requirements.

Datasheet Technical Documentation Print this page
  • Total Max Power:
    75 W
  • Total Max Current:
    25 A
  • Input Voltage:
    36 V to 75 V
  • Output Voltage:
    1.2 V to 3.3 V
  • Outputs:
    Single
  • Size (L x W x H):
    1.299" x 0.900" x 0.300"
  • Warranty:
    2 years
  • Operating Temperature:
    -40°C to +85°C

Electrical Specifications

  • Input
  • Output
  • Isolation
  • input voltage: 36V-75VDC
  • output voltage: 1.2 VDC- 3.3VDC
  • output current: 25 A
  • isolation: basic insultaion
  • 2:1 Wide input range
  • Optimised for High density, small space applications
  • Low ripple and noise
  • Fixed switching frequency
  • High efficiency
  • High capacitive load capability
  • Pre-bias start-up capability
  • Basic insulation system
  • Through hole or SMT termination
  • Openframe structure with Baseplate option

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