LTC3703-5, Buck 48V to 3.3V/6A Synchronous Step-Down Converter

Reference Design using part LTC3703 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

  • Telecom Power Supply

Description

  • Circuit shows LTC3703-5 is a synchronous switching regulator controller that provides direct step-down conversion of a typical 48V telecom input rail to 3.3V at 6A. The circuit can handle input transients up to 60V without requiring protection devices or 80V if appropriate MOSFETs are used

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    4 to 60 V
  • Output Voltage
    3.3 V
  • Output Current
    6 A
  • Efficiency
    96 %
  • Topology
    Buck

Featured Parts (14)

Featured Parts
Part Number Manufacturer Type Description
LTC3703EGN#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N Tube Buy
LTC3703HGN#TR Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N T/R Buy
LTC3703EG#TR Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 28-Pin SSOP T/R Buy
LTC3703IGN Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N Buy
LTC3703EG Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 28-Pin SSOP Buy
LTC3703EG#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 28-Pin SSOP Tube Buy
LTC3703EGN#TRPBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N T/R Buy
LTC3703HGN Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N Buy
LTC3703EGN#TR Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N T/R Buy
LTC3703HGN#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N Tube Buy
LTC3703EG#TRPBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 28-Pin SSOP T/R Buy
LTC3703IGN#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N Tube Buy
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