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Low trickle current startup bias circuit and method of operation thereof

  • US 6,055,166 A
  • Filed: 11/16/1998
  • Issued: 04/25/2000
  • Est. Priority Date: 11/16/1998
  • Status: Expired due to Fees
First Claim
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1. For use with a power converter couplable to a load, a current startup bias circuit, comprising:

  • a charge reservoir that receives and stores a trickle current during a startup period of said power converter, a voltage of said charge reservoir increasing as said charge reservoir stores said trickle current; and

    a latch, coupled to said charge reservoir, that activates when said voltage reaches a threshold to couple said charge reservoir to said load and initiate operation thereof.

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