| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM3280 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |
 National Semiconductor ... | LM3280TL-275 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |
 National Semiconductor ... | LM3280TL-280 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |
| LM3280TL-290 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |
 National Semiconductor ... | LM3280TLX-275 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |
| LM3280TLX-280 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |
| LM3280TLX-290 |  794Kb/22P | Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management |