| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM25085AMMX |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085AMME |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085AMM |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
| LM25085AMY |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085AMYE |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085AMYX |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085ASD |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085ASDE |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |
 National Semiconductor ... | LM25085ASDX |  517Kb/24P | 42V Constant On-Time PFET Buck Switching Controller with 0.9V Reference |