| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LP3927 |  326Kb/16P | Cellular/PCS System Power Management IC |
| LP3927ILQ-AH |  326Kb/16P | Cellular/PCS System Power Management IC |
| LP3927ILQ-AJ |  326Kb/16P | Cellular/PCS System Power Management IC |
| LP3927ILQX-AH |  326Kb/16P | Cellular/PCS System Power Management IC |
| LP3927ILQX-AJ |  326Kb/16P | Cellular/PCS System Power Management IC |
 National Semiconductor ... | LP3921 |  1Mb/34P | Battery Charger Management and Regulator Unit with Integrated Boomer짰 Audio Amplifier |
 National Semiconductor ... | LP3921SQ |  1Mb/34P | Battery Charger Management and Regulator Unit with Integrated Boomer짰 Audio Amplifier |
 National Semiconductor ... | LP3921SQE |  1Mb/34P | Battery Charger Management and Regulator Unit with Integrated Boomer짰 Audio Amplifier |
 National Semiconductor ... | LP3921SQX |  1Mb/34P | Battery Charger Management and Regulator Unit with Integrated Boomer짰 Audio Amplifier |