The regulator uses a transformer in series with an FET switch device to cause the primary transformer current to be switched ON and OFF in response to {HEAD ~ the power needs} of {TAIL ~ an electrical load} connected to the secondary circuit 
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The regulator uses a transformer in series with an FET switch device to cause the primary transformer current to be switched ON and OFF in response to { HEAD ~ the power needs } of { TAIL ~ an electrical load } connected to the secondary circuit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH