Here is my test setup for the finished DC-DC converter. The power supply supplies 5 volts DC. The bread board includes filter capacitors and a potentiometer that is used to supply a load. These items emulate the final circuit when the DC-DC converter is installed on the Digital Group video card.

The supply shows that the current draw is 38 milliamps. With the potentiometer set at about 1K ohms resistance, the DC-DC converter is supplying 11.44 volts, which I think will be sufficient for the final application on the Digital Group video card.

One final comment on this converter. This thing seems very small to me. In fact, when I first made the PCB, I wondered if I had mistakenly scaled it to a smaller than 1:1 size.

Here is the finished board, ready and waiting for a Digital Group video card.