gwdbsuccess
Junior Member level 2
figure as shown below
![90_1328758547.jpg 90_1328758547.jpg](https://www.edaboard.com/data/attachments/66/66701-169d1f29b169c67499ca40091df7282e.jpg)
I want to use bandgap in DC/DC controller
before normal operation,the reference voltage have to be provided first
the common VDD maybe: VDD+-10% or 3~12V
but the commercial product has very large range of Vin
ex:LT8300 Vin:6~100V
View attachment 8300f.pdf
have any circuit provide bandgap's VDD by transferring Vin???
plz help me with this problem.m(_ _)m
![90_1328758547.jpg 90_1328758547.jpg](https://www.edaboard.com/data/attachments/66/66701-169d1f29b169c67499ca40091df7282e.jpg)
I want to use bandgap in DC/DC controller
before normal operation,the reference voltage have to be provided first
the common VDD maybe: VDD+-10% or 3~12V
but the commercial product has very large range of Vin
ex:LT8300 Vin:6~100V
View attachment 8300f.pdf
have any circuit provide bandgap's VDD by transferring Vin???
plz help me with this problem.m(_ _)m