LM2576-3.3BU
IC REG BUCK 3.3V 3A TO263-5Manufacturer: Microchip Technology
Categories: DC DC Switching Regulators
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The Microchip Technology LM2576-3-3BU is a monolithic integrated circuit that provides all the necessary functions for a step-down (buck) switching regulator. This device is optimized to deliver 3A of output current with a fixed 3.3V output voltage. The LM2576-3-3BU operates with a switching frequency of 52kHz, and its internal circuitry includes a voltage mode controller, a power switch, and frequency compensation. It is designed for use in applications requiring efficient voltage conversion, such as power supplies for industrial automation, consumer electronics, and telecommunications equipment. The TO-263-5 (D2PAK) package facilitates surface mounting. The input voltage range is from 4V to 40V, and it features a positive, fixed output configuration. This component does not incorporate a synchronous rectifier.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| 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 | 52kHz |
| Voltage - Input (Max) | 40V |
| Topology | Buck |
| Supplier Device Package | TO-263-5 |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | - |
| Voltage - Input (Min) | 4V |
| Voltage - Output (Min/Fixed) | 3.3V |
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