| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM22671 |  426Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
| LM22671 |  429Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
 National Semiconductor ... | LM22671MR-5.0 |  426Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
| LM22671MR-5.0 |  429Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
 National Semiconductor ... | LM22671MR-ADJ |  429Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
| LM22671MR-ADJ |  426Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
 National Semiconductor ... | LM22671MRE-5.0 |  426Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
| LM22671MRE-5.0 |  429Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
 National Semiconductor ... | LM22671MRE-ADJ |  429Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |
| LM22671MRE-ADJ |  426Kb/18P | 500 mA SIMPLE SWITCHER짰, Step-Down Voltage Regulator with Features |