Hi Ming,
How many products are showing abnormal operation? How many are operating properly?
Can you provide any scope captures of the current or voltage at the outputs and at VCP?
Ideally, please provide the scope captures zoomed out and zoomed in showing good versus bad behavior.
How many products are showing abnormal operation? How many are operating properly?
Can you provide any scope captures of the current or voltage at the outputs and at VCP?
Ideally, please provide the scope captures zoomed out and zoomed in showing good versus bad behavior.