LT3790
Production
The LT3790 is a synchronous 4-switch buck-boost voltage/current regulator controller. The LT3790 can regulate output voltage, output current, or input...
Datasheet
LT3790 on Analog.com
I'm trying to run the LT3790 demo circuit in LTSpice.
It runs fine if I leave everything as "standard" , but if I change V1 (the supply voltage) to a PWL or any other voltage source
the circuit fails to converge.
Any help appreciated.
Regards
R.Davis
Link to circuit:
Hi Neddie,
Can you please attach your circuit file with the convergence problem?
It's working fine on my side (see below).
I also suggest doing a SYNC RELEASE for library updates.
Hi Neddie ,
I tried changing V1 to a PWL source with 20V at the beginning of the simulation and found this,
If this is the convergence issue that you encounter, you can just press the ESCAPE key. this will skip the Initial DC operating point and proceed with the transient calculation. This often happen when the ckt is having difficulty finding the initial DC operating point.
After pressing the ESC key, I get the same result as a normal Voltage source.
Thanks.
Regards,
