...f synchronous rectifier in ccm, dcm and qr for flyback or llc applications ? precise true secondary zero current detection ? rugged current sense pin (up to 150 v) ? adjustable minimum on?time ? adjustable minimum off - time with ringing de...
...ed to work in both ccm mode and dcm mode to meet different types of applications. quasi- resonant (qr) operation mode can improve efficiency during dcm operation, and reduce emi and further reduce the components in input filter. act512 ...
... discontinuous conduction mode (dcm) mode with valley detection. switching is independent for each controller. the pfc output power is an o...qr/dcm operation with valley switching ? t on controlled ? mains input voltage compensation of the ...
Description
GreenChip III SSL4101 integrated PFC and flyback controller
...f synchronous rectifier in ccm, dcm, and qr flyback applications ? precise true secondary zero current detection with adjustable threshold ? automatic parasitic inductance compensation input ? typically 40 ns turn off delay from current se...
Description
Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies
...s ? discontinuous current mode (dcm) power factor correction (pfc) 4. quick reference data table 1. quick reference data symbol parameter conditions min typ max unit v rrm repetitive peak reverse voltage - - 600 v i f(av) average forward cu...
...s ? discontinuous current mode (dcm) power factor correction (pfc) 4. quick reference data table 1. quick reference data symbol parameter conditions min typ max unit v rrm repetitive peak reverse voltage - - 600 v i f(av) average forward cu...
... discontinuous conduction mode (dcm), with valley switching. the specially built-in green fu nctions provide high efficiency at all power levels. at high power levels, the flyback operates in qr mode or dcm with valley detection. at medi...
...discontinuous conduction mode (dcm) with valley detection. they are independently switched. the pfc output power is on-time controlled fo r...qr/dcm operation with valley switching ? frequency limitation at 400 khz to minimize mains current h...
...flyback c onverter in qr, dcm , and ccm o peration ? suited for forward f reewheeling r ectification ? pwm f requenc y t racking with secondary - s ide w inding v oltage d etection ? ultra - l ow v dd o per...