L4957AD3.3
IC REG LINEAR 3.3V 5A D2PAKManufacturer: STMicroelectronics
Categories: Linear, Low Drop Out (LDO) Regulators
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The STMicroelectronics L4957AD3-3 is a high-performance linear voltage regulator IC. This positive fixed output device provides a stable 3.3V output with a substantial 5A current capability. Featuring a low quiescent current of 2 mA and a robust PSRR of 75dB at 120Hz, this regulator is well-suited for demanding applications. The L4957AD3-3 incorporates over-temperature and short-circuit protection for enhanced reliability. Its TO-263-3, D2PAK (2 Leads + Tab), TO-263AB package allows for efficient surface mounting. Industries such as automotive, industrial automation, and power supplies frequently utilize this component for its dependable voltage regulation and high current handling capacity. The device operates within a temperature range of 0°C to 125°C and accepts input voltages up to 14V.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB |
| Output Type | Fixed |
| Mounting Type | Surface Mount |
| Current - Output | 5A |
| Operating Temperature | 0°C ~ 125°C |
| Output Configuration | Positive |
| Current - Quiescent (Iq) | 2 mA |
| Voltage - Input (Max) | 14V |
| Number of Regulators | 1 |
| Supplier Device Package | D2PAK |
| Voltage - Output (Max) | - |
| Voltage - Output (Min/Fixed) | 3.3V |
| Control Features | - |
| PSRR | 75dB (120Hz) |
| Voltage Dropout (Max) | - |
| Protection Features | Over Temperature, Short Circuit |
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