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high voltage power generation

Thread Summary

The user is trying to simulate the LT8306 in LTSpice to achieve a high-voltage output (at least 200V) with an external MOSFET, but encounters issues. The final answer suggests adjusting the value of R1 to resolve the problem. The LT8304 is mentioned as having limited output power capability, while the LT8306 is intended for higher power applications.
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Category: Hardware
Product Number: LT8306

Hi, 

as I viewed from LT8304, that it has very limited output power ability, <100mA@200V, which is meet  my requirement.

So switched LT8306, which has external MOSFET, maybe better I think.

but refer to its demo in LTSpice, i can not simply simulate it to be as high as 200V, while i only changed NPS ratio,see photo attached.

Seem it is not work properly.

Could u correct me on how to generate output, at least 10w for output.

tks

John