LM2678SX-3.3
IC REG BUCK 3.3V 5A DDPAKManufacturer: Texas Instruments
Categories: DC DC Switching Regulators
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Texas Instruments LM2678SX-3-3 is a high-efficiency, monolithic step-down switching regulator IC from the SIMPLE SWITCHER® series. This integrated circuit features a fixed 3.3V output voltage and a maximum output current of 5A, making it suitable for power conversion in demanding applications. Operating with an input voltage range of 8V to 40V, the LM2678SX-3-3 utilizes a buck topology and switches at a frequency of 260kHz. The device is packaged in a TO-263-8, D2PAK (7 Leads + Tab), TO-263CA surface-mount package, supplied on tape and reel. Its robust design and 5A output capability are well-suited for use in industrial automation, communication systems, and consumer electronics. The operating temperature range is -40°C to 125°C (TJ).
Additional Information
Series: SIMPLE SWITCHER®RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | TO-263-8, D2PAK (7 Leads + Tab), TO-263CA |
| Output Type | Fixed |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Function | Step-Down |
| Current - Output | 5A |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 260kHz |
| Voltage - Input (Max) | 40V |
| Topology | Buck |
| Supplier Device Package | TO-263 (DDPAK-7) |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | - |
| Voltage - Input (Min) | 8V |
| Voltage - Output (Min/Fixed) | 3.3V |
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