LTC3863产生-5.2V电源，改变布局电源性能不一样；
一种布局参照dome板设计，但是输出电压随着输出电流的增大降低

另一种布局，增大16mΩ和mos管的距离，输出电流能达到1.3A，再增大输出电压就会降低

Hello,

I need some guidance on determining why the LTC3863 is so noisy.

I have a custom designed 10 layer PCB with 24v input (linear bench supply) feeding an LTC3863 set for -78v, a LT3757 set for +78v, and several low voltage linear regulators.  The physical…

Hi ADI team,

I would like to generate a negative voltage around -100V  to -150V. I found an example on datasheet page 38 and I modified the components accordingly. I ran LTspice but it seems the output voltage cannot reach -150V.

Thanks!

Vito

LTC3863_DC1737A_…

Hello -

I'd like to use the LTC3863 inverting DC/DC controller IC for a design.  The requirements are 24v Vin and -150v Vout at 100mA.  I see Figure 16 of the data sheet shows a nice reference design but is limited to 40mA per the circuit notes.  What…

Hi , 

I am trying to design a power with 12 V input and a variable voltage of -12V to -55V @ 3mA .

Could you please let me know if there is a LTpower cad implementation for LTC3863. 

I have used a example , and also the calculation but not able to get…

I need to turn the load on after the output voltage is stable, however, as shown in the picture, after power on @ ~1.2mS, the output voltage starts to grow and more more negative.

What is wrong here?

Thanks

Is there a defined method to get an initial set of values for the Ith pin RC filter on the LTC3863?  Or is there a version of the model available for AC analysis?

Hi Team,

We are using LTC3864 and LTC3863 Controller in our design. In the simulation, it is working fine with 5V to 12V input supply, the circuit diagram, or design as shown in the image link /resized-image/__size/478x254/__key/communityserver-discussions…