Circuits and methods prevent {HEAD ~ ringing} of white LED drivers by adding a high voltage coil switch circuit, {TAIL ~ a high voltage edge detector circuit}, and a boot strap circuit 
Circuits and methods prevent { HEAD ~ ringing } of white LED drivers by adding a high voltage coil switch circuit , { TAIL ~ a high voltage edge detector circuit } , and a boot strap circuit
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH