What does your layout look like? Show us a picture of the pcb with the layers visible.
Just the layout of the board can make or break a DC-DC converter with all of the high current transients and control signals. On Tue, Jun 23, 2020, 4:22 PM MrThe50sanchez <[email protected]> wrote: > > Hello Again, hope everyone is good! > > I was trying to make a DC-DC booster converter using the LT1308B/A device, > I made a PCB for it, doing the same as the datasheet of this device says, > but I don“t get the High Votage, and that`s > why im here asking for help, I tried a lot of things put don`t know what > it can be. > > This is the schematic I use (This one is from the datasheet) : > > > The PCB I made is the same as this schematic and using the same > components, Im using a *rechargable battery CR2 800mAh 3.0V Li-on.* > > *Any Ideas of what I can do to find what is going wrong?* > > *I have LBI and LB0 from the LT1308 Device not connected to anything. > */SHDN pin is connected to Vin, Positive Voltage to It works. > *Because I want 180V output voltage I have resistor from FB R1 = 47K and > R2 = 300 Ohm to get 1,21V Feedback. > *The capacitors Im using (10nF 250v) are not electrolitic, they are normal > ones. > > > Thankss Guys! > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/7d2fbb96-d88c-4341-b89a-2ab723f403dao%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/7d2fbb96-d88c-4341-b89a-2ab723f403dao%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CALcVLKL-%2BffnCdTGOzDO_Co9GOFEKowGcwAZRZyjFi%2BFSC_BbQ%40mail.gmail.com.
