| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM1577-12 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM1577-15 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM1577-ADJ |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM15777 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577K-12 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577K-15 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577K-883 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM1577K-883 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577K883 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577KADJ |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577 |  1Mb/31P | SIMPLE SWITCHER짰 Step-Up Voltage Regulator |
| LM2577-12 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM2577-15 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM2577-ADJ |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM2577M-12 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM2577M-12 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM2577M-15 |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM2577M-15 |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM2577M-ADJ |  889Kb/27P | SIMPLE SWITCHER Step-Up Voltage Regulator |
| LM2577M-ADJ |  862Kb/27P | SIMPLE SWITCHER-R Step-Up Voltage Regulator |