Problems with DC to DC converter

[Rdiaz]

Hello, I need help because I am working with converter DC to DC (30V to 5V), when i connected load the output down to 1.6V (then this output without load is 5V). What I can do?

 

[BobK]

Hello, I need help because I am working with converter DC to DC (30V to 5V), when i connected load the output down to 1.6V (then this output without load is 5V). What I can do?

Give us more information than that. How about a schematic for starters? And what is the load?

Bob