DI-153, TNY274PN, 1.25W, Low Input Voltage Range Power Supply for Industrial Controls

DI-153, Reference Design for 1.25W, Low Input Voltage Range Power Supply for Industrial Controls. Reference Design for a flyback converter using the TNY274PN device. The input AC is low voltage in the range of 18 to 30V, and output DC is 5V at 250mA