Can I get a 150V DC output LM317HV-MIL
It is possible but not this way. the 0V reference level for ADJ bias current must be level shifted up to say 140V using an "active zener" voltage divider regulator.







simulate this circuit &ndash; Schematic created using CircuitLab

Use 140V active Zener + 10V LM317 design = 150V