DI-138, LNK304DN, 1.2W, Non-Isolated Dual Output Supply for White Goods

DI-138, Reference Design for LNK564PN, 1.2W, Non-Isolated Dual Output Supply for White Goods. The circuit provides two outputs, -5 V and +7 V. Referencing the load to the 5 V output creates a 5 V and 12 V output, the 5 V driving the control electronics and the 12 V output the mechanical relays