HiperTFS for 400W design with eco design directive
Posted by: treez
on
Hi,
We wish to do a 400W hipertfs/hiperpfs design, and it must conform to the eco design directive of 0.21w standby power max.
Do you think we need linkzero up front, to act as "Pilot".....and switch out the Hipertfs/hiperpfs when standby is detected?
Comments
Why use a LinkZero when there is a perfectly functional TinySwitch-4 included inside the TFS-2 basically for free? Design for about 5W output (uses an EE16 core) with minimum current limit setting on the TinySwitch, and switch out the forward side of the PFS under no-load conditions.
Hi Treez,
I don't think Linkzero is appropriate for the kind of application you are thinking.
Linkzero will enter into powerdown mode when it detects no load, which means during standby/ no load condition Linkzero will disable MOSFET switching.