dc1928a DC1928A LTC3867EUF Demo Board | 18V ≤ VIN ≤ 36V; VOUT = 12V @ 12A DC1928A Demonstration circuit 1928A is a single output synchronous buck converter featuring the LTC3867EUF in a 24-lead 4mm x 4mm QFN package. The input voltage range is from 18V to 36V.