-48V Backplane Impedance Analyzer Takes the Guesswork Out of Sizing Clippers and Snubbers

Reference Design using part LTC1921 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Power Management
  • Product Type
    Hot-Swap Controller

For End Products

  • Impedance Tuning

Description

  • 75W, -48V telecom supply monitor and Hot Swap controller includes a clamp (D3) to control high voltage surges, and a snubber (R8-C8) to eliminate voltage ringing after transient events, like card insertion. It is important to take the backplane impedance into account when sizing these components

Key Features

  • Input Voltage
    -48 V
  • Output Voltage
    -48 V
  • Output Current
    3 A

Featured Parts (23)

Featured Parts
Part Number Manufacturer Type Description
LT4250LIS8#TRPBF Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N T/R Buy
LT4250LIS8 Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N Buy
LT4250LCS8#PBF Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N Tube Buy
LT4250LCS8#TR Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N T/R Buy
LT4250LCS8 Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N Buy
LT4250LIS8#TR Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N T/R Buy
MOC207M onsemi Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 8-Pin SOIC Tube Buy
MOC207R2M onsemi Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 8-Pin SOIC T/R Buy
LT4250LIN8#PBF Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin PDIP N Tube Buy
MOC207R2VM onsemi Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 8-Pin SOIC T/R Buy
MOC207VM onsemi Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 8-Pin SOIC Tube Buy
LT4250LCS8#TRPBF Analog Devices Hot Swap Controllers Hot Swap Controller 1-CH -20V N-Channel Negative High Voltage 8-Pin SOIC N T/R Buy
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