{HEAD ~ 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 the power needs of an electrical load connected to {TAIL ~ the secondary circuit} 
{ HEAD ~ 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 the power needs of an electrical load connected to { TAIL ~ the secondary circuit }
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