looking for cross cheap DC to DC

[zofiof]

HI
I'm looking for Dc to Dc item
Input 8-16 Vdc .
Output 5 Vdc 0.3A
@Isolated for PCB
I attachment PDF with item that can use (mfr: TDK-Lambda pn: CC1R5-1205SF-E)
But i'm looking something much lower in the price - as lower as better
what do u have to offer me ?
Zion

 

[treez]

for that low power, I would just use a sepic inductor as a flyback transformer, and make it yourself.
Eg MSD1583 family of tightly wound sepic inductors.
Use some controller with an integrated fet and you're laughing.

What about this , or similar
https://www.intersil.com/content/dam/Intersil/documents/fn64/fn6439.pdf

...or what about mic2619 with a r/zener supply for its vin

 

[zofiof]

it's seems that no one it's dc to dc
please clarify