L4973V3.3
IC REG BUCK ADJ/0.5V 3.5A 18DIPManufacturer: STMicroelectronics
Categories: DC DC Switching Regulators
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The STMicroelectronics L4973V3-3 is a versatile buck switching regulator IC designed for high-current step-down voltage conversion. This 18-DIP packaged component offers a single positive adjustable output capable of delivering up to 3.5A. With an input voltage range of 8V to 55V and an output voltage adjustable from 0.5V up to 50V, the L4973V3-3 provides significant flexibility for power supply designs. Its switching frequency can be set between 100kHz and 300kHz, enabling optimization for efficiency and component size. This device is well-suited for applications in industrial automation, automotive systems, and consumer electronics requiring robust and efficient power management. The L4973V3-3 features a non-synchronous buck topology and operates across a wide temperature range of -40°C to 150°C (TJ).
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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