LM2574-3.3BN
IC REG BUCK 3.3V 500MA 8DIPManufacturer: Microchip Technology
Categories: DC DC Switching Regulators
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The Microchip Technology LM2574-3-3BN is a 3.3V fixed output, 500mA buck switching regulator. This monolithic IC integrates a high-efficiency 52kHz switch with a low-drop, fixed-frequency buck converter. It requires minimal external components to implement a complete step-down voltage regulator, making it suitable for power supply designs in industrial, automotive, and consumer electronics applications. The device features a ±4% tolerance on the output voltage and includes built-in overcurrent and thermal shutdown for robust operation. Packaged in an 8-PDIP, the LM2574-3-3BN supports a maximum input voltage of 40V and is designed for through-hole mounting. Its non-synchronous topology ensures a cost-effective solution for various power conversion needs. The operating temperature range is -40°C to 125°C (TJ).
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 | 8-DIP (0.300"", 7.62mm) |
| Output Type | Fixed |
| Mounting Type | Through Hole |
| Number of Outputs | 1 |
| Function | Step-Down |
| Current - Output | 500mA |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 52kHz |
| Voltage - Input (Max) | 40V |
| Topology | Buck |
| Supplier Device Package | 8-PDIP |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | - |
| Voltage - Input (Min) | - |
| Voltage - Output (Min/Fixed) | 3.3V |
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