| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM3687 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |
| LM3687TL-1812 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |
 National Semiconductor ... | LM3687TL-1813 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |
| LM3687TL-1815 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |
 National Semiconductor ... | LM3687TLX-1812 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |
| LM3687TLX-1813 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |
| LM3687TLX-1815 |  624Kb/22P | Step-Down DC-DC Converter with Integrated Low Dropout Regulator and Startup Mode |