UC2874N-1
IC REG CTRLR BUCK 18DIPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC2874N-1 is a high-performance, versatile buck regulator controller designed for step-down DC-DC conversion. This 18-PDIP packaged device features a positive output configuration and a single output phase. The UC2874N-1 offers a soft-start control feature for smoother power-up sequences and can operate with a maximum duty cycle of 100%. Its switching frequency can be set up to 300kHz, providing flexibility in power supply design. The controller supports a wide input voltage range of 9V to 36V. It is equipped with a transistor driver for the output stage and includes synchronous rectification for improved efficiency. Applications for this component span across various industrial and consumer electronics, including power supplies for telecommunications equipment, automotive systems, and general-purpose power management solutions.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 18-DIP (0.300"", 7.62mm) |
| Output Type | Transistor Driver |
| Mounting Type | Through Hole |
| Function | Step-Down |
| Operating Temperature | -25°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | Up to 300kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 9V ~ 36V |
| Supplier Device Package | 18-PDIP |
| Synchronous Rectifier | Yes |
| Control Features | Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 100% |
| Clock Sync | No |
| Number of Outputs | 1 |
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