Hey all, bit stumped here. I have a MP1530 driving a few LCD supplies and Vmain and VGL work fine but VGH isn’t getting as high as we need.
It does assert REDYn so it thinks it’s where it needs to be but VGH is measuring 13.9V vs the 18V expected.
Using Vfb3 as 1.25 and the equation in the datasheet R13 and R10 look right?
Probably something silly, any thoughts? Thanks.