LT1425, 5V/2A Telecommunications Supply

Reference Design using part LT1425 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • PCMCIA Card
  • Power Over Ethernet
  • Telecom Power Supply

Description

  • Circuit shows LT1425, 5V/2A Telecommunications Supply. An external cascaded 200V MOSFET is used to extend the LT1425s 35V maximum switch voltage limit. The input voltage range (36V to 72V) also exceeds the LT1425s 20V maximum input voltage, so a bootstrap winding is used

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    -36 to -72 V
  • Output Voltage
    5 V
  • Output Current
    2 A
  • Topology
    Flyback

Featured Parts (8)

Featured Parts
Part Number Manufacturer Type Description
LT1425IS Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 20V Step Up Single-Out 6W 16-Pin SOIC N Buy
LT1425IS#TR Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 20V Step Up Single-Out 6W 16-Pin SOIC N T/R Buy
LT1425CS#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 20V Step Up Single-Out 6W 16-Pin SOIC N T/R Buy
LT1425IS#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 2.8V to 20V Step Up Single-Out 6W 16-Pin SOIC N T/R Buy
LT1425CS#TR Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 20V Step Up Single-Out 6W 16-Pin SOIC N T/R Buy
LT1425IS#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 2.8V to 20V Step Up Single-Out 6W 16-Pin SOIC N Tube Buy
LT1425CS Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 20V Step Up Single-Out 6W 16-Pin SOIC N Buy
LT1425CS#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 2.8V to 20V Step Up Single-Out 6W 16-Pin SOIC N Tube Buy

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