UC2874DW-1G4
IC REG CTRLR BUCK 18SOICManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC2874DW-1G4 is a high-performance, switch-mode power supply controller designed for step-down (buck) DC-DC conversion. This device integrates a voltage-mode control architecture with a transistor driver output, enabling efficient power regulation. Key features include a wide operating voltage range from 9V to 36V and a maximum duty cycle of 100%, suitable for applications requiring robust voltage conversion. The controller supports switching frequencies up to 300kHz, allowing for compact circuit designs. It incorporates a soft-start function for controlled power-up sequences. The UC2874DW-1G4 is housed in an 18-SOIC package for surface mounting. Its positive output configuration and synchronous rectification capability make it a versatile component for various power management solutions in industrial and automotive sectors.
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-SOIC (0.295"", 7.50mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| 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-SOIC |
| 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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