| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM5000 |  385Kb/18P | High Voltage Switch Mode Regulator |
 National Semiconductor ... | LM5000-3MTC |  438Kb/ 18P | High Voltage Switch Mode Regulator |
| LM5000-3MTC |  385Kb/ 18P | High Voltage Switch Mode Regulator |
 National Semiconductor ... | LM5000-3MTCEP |  438Kb/ 18P | High Voltage Switch Mode Regulator |
| LM5000-3MTCEP |  435Kb/ 18P | Enhanced Plastic High Voltage Switch Mode Regulator |
| LM5000-3MTCX |  438Kb/ 18P | High Voltage Switch Mode Regulator |
| LM5000-3MTCX |  385Kb/ 18P | High Voltage Switch Mode Regulator |
 National Semiconductor ... | LM5000-3MTCXEP |  438Kb/ 18P | High Voltage Switch Mode Regulator |
| LM5000EP |  435Kb/ 18P | Enhanced Plastic High Voltage Switch Mode Regulator |