×

PRIMARY SIDE CONTROL CIRCUIT AND METHOD FOR ULTRA-LOW IDLE POWER OPERATION

  • US 20110161708A1
  • Filed: 03/04/2011
  • Published: 06/30/2011
  • Est. Priority Date: 05/29/2008
  • Status: Abandoned Application
First Claim
Patent Images

1. A primary circuit configured to facilitate an ultra-low idle power mode in a power supply, said primary circuit comprising:

  • a modulator configured for modulating input power to transfer power from a primary side of a transformer to a secondary side of said transformer; and

    an energy storage circuit coupled to said modulator; and

    a control circuit configured to monitor at least one of a ripple current in said energy storage circuit, temperature of lossy components in said primary circuit, or a current flow through switch circuits within said primary circuit and to control said primary circuit such that said primary circuit is substantially disabled in response to said control circuit determining that substantially no load exists.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×