This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM22678: Power management forum

Part Number: LM22678

Hi all.

According to the data sheet, the resistance is set as shown below, and 4.998V is normally output.
However, after a few seconds to a few minutes, the power goes down.

Vin   12V

Vout 5V

Ven  about 2.5V

R_ENT 80.6K

R_ENB 20K

R_FBT 2.87K

R_FBB 1K

The following schematic is for the LM22678.

Voltage Graph:

Please let me know where I made the mistake...