UC3874N-2
IC REG CTRLR BUCK 18DIPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC3874N-2 is a high-performance voltage-mode, step-down DC-DC controller IC. This device is designed for efficient power conversion in a positive output configuration. Featuring a transistor driver output, it supports a maximum duty cycle of 100% and operates with switching frequencies up to 300kHz. The UC3874N-2 integrates essential control features like soft start for smooth power-up sequences. Its robust design allows for a wide input voltage range from 4.4V to 36V, making it suitable for various power supply applications. The controller utilizes a buck topology and a single output phase. Packaged in an 18-PDIP format for through-hole mounting, this component is commonly employed in industrial automation, consumer electronics, and telecommunications power management systems.
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 | 0°C ~ 70°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | Up to 300kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.4V ~ 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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