hi,

i need 16w 350mA,45V led driver.please suggest me the design idea

Hi,

Please provide more info such as input voltage range, dimming or non-dimming, isolated or non-isolated, PF or non-PF.

You may also try parametric search if we have existing design for your application.

https://led-driver.power.com/design-support/reference-designs/parametric-search/