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OVER-VOLTAGE PROTECTION FOR POWER AND DATA APPLICATIONS

  • US 20080265984A1
  • Filed: 08/30/2007
  • Published: 10/30/2008
  • Est. Priority Date: 08/31/2006
  • Status: Active Grant
First Claim
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1. A power supply device comprising:

  • a DC voltage supply,a power section connected to the DC supply for supplying DC power at a first DC voltage (VDD) from the DC voltage supply to first and second outlet ports for connection to a remote device via a cable connection,an energy absorbing circuit connected between a second DC voltage (VDD2) and a ground potential, anda diode connection means between the first outlet port and the second DC voltage (VDD2).

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