Simulation trouble in LTC2924 with DC/DC

Question

Hi 
 Each LTM8024 and LTC2924 is a good result.(We use open macromodel's test fixture ) 
 But we put ICs in same schematic, LTC2924 out_n pin reach -100V order. 
 If all LT8024 pins connect to GND, we get a bad result. 
 Can we improve this case with any ways? 
 2924.asc 
 Best regards 
 Thank you very much

Fil · Accepted Answer

Hi Jma, 
 I consulted LTspice team and said this is weird as many models work together just fine. They responded to get back for this particular case but never gave any date as team have long queue of models to do. Only way for you now is do to do simulation per separate parts then verify in bench after.)

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Simulation trouble in LTC2924 with DC/DC

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