LM2673SX-3.3
IC REG BUCK 3.3V 3A DDPAKManufacturer: Texas Instruments
Categories: DC DC Switching Regulators
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Texas Instruments SIMPLE SWITCHER® LM2673SX-3-3 is a monolithic integrated circuit designed for step-down DC-DC conversion. This device offers a fixed 3.3V output voltage with a maximum output current of 3A. The LM2673SX-3-3 operates with a switching frequency of 260kHz, facilitating smaller inductor and capacitor selection. It features an integrated switch and requires minimal external components for operation, simplifying circuit design. The device accepts input voltages ranging from 8V to 40V and is packaged in a TO-263-8, D2PAK surface-mount configuration. Applications for this buck regulator include power supplies for industrial control systems, consumer electronics, and telecommunications equipment. The component is supplied on tape and reel.
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 | 3A |
| 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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