| Base Product Number | L4957 |
| Category | Integrated Circuits (ICs) |
| Control Features, Series, Voltage - Output (Max), Voltage Dropout (Max) | - |
| Current - Output | 5A |
| Current - Quiescent (Iq) | 2 mA |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Number of Regulators | 1 |
| Operating Temperature | 0?C ~ 125?C |
| Output Configuration | Positive |
| Output Type | Fixed |
| Package | Tape & Reel (TR) |
| Package / Case | TO-263-3, D?Pak (2 Leads + Tab), TO-263AB |
| Part Status | Obsolete |
| Protection Features | Over Temperature, Short Circuit |
| PSRR | 75dB (120Hz) |
| Supplier Device Package | D2PAK |
| Voltage - Input (Max) | 14V |
| Voltage - Output (Min/Fixed) | 3.3V |