E-L4973V3.3
IC REG BUCK ADJ/0.5V 3.5A 18DIPManufacturer: STMicroelectronics
Categories: DC DC Switching Regulators
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The STMicroelectronics E-L4973V3-3 is an 18-DIP through-hole buck switching regulator designed for step-down voltage conversion. This device offers a single positive output that is adjustable or fixed at 0.5V or 3.3V, capable of delivering up to 3.5A. Its switching frequency range is between 100kHz and 300kHz, with no synchronous rectifier. The input voltage range is from 8V to a maximum of 55V, and the output voltage can be as high as 50V. Operating within an extended temperature range of -40°C to 150°C (TJ), this STMicroelectronics regulator finds application in industrial automation, power supplies, and automotive systems requiring efficient voltage regulation.
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 | 18-DIP (0.300"", 7.62mm) |
| Output Type | Adjustable (Fixed) |
| Mounting Type | Through Hole |
| Number of Outputs | 1 |
| Function | Step-Down |
| Current - Output | 3.5A |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 100kHz ~ 300kHz |
| Voltage - Input (Max) | 55V |
| Topology | Buck |
| Supplier Device Package | 18-DIP |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | 50V |
| Voltage - Input (Min) | 8V |
| Voltage - Output (Min/Fixed) | 0.5V (3.3V) |
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