| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM3218 |  4Mb/16P | 650 mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers |
| LM3218SE |  4Mb/16P | 650 mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers |
 National Semiconductor ... | LM3218SEX |  4Mb/16P | 650 mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers |
 National Semiconductor ... | LM3211 |  821Kb/ 21P | Step-up PWM DC/DC Converter Integrated with 4 Buffers |
| LM3211MT-ADJ |  821Kb/ 21P | Step-up PWM DC/DC Converter Integrated with 4 Buffers |
| LM3211MTX-ADJ |  821Kb/ 21P | Step-up PWM DC/DC Converter Integrated with 4 Buffers |
 National Semiconductor ... | LM3218SE |  4Mb/ 16P | 650 mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers |
 National Semiconductor ... | LM3218SEX |  4Mb/ 16P | 650 mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers |
 National Semiconductor ... | LM321AH |  175Kb/ 10P | Precision Preamplifiers February 1995 |
 National Semiconductor ... | LM321H |  175Kb/ 10P | Precision Preamplifiers February 1995 |