UCC2891DG4
IC REG CTRLR MULT TOP 16SOICManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UCC2891DG4 is a highly integrated, multi-topology DC-DC controller IC designed for flyback and forward converter applications. This 16-SOIC package device offers a robust solution for power supply designs requiring isolation and flexible output configurations. Key control features include adjustable current limit, enable, on-time control, ramp, and soft-start for precise power management. Operating at a switching frequency of up to 250kHz with a maximum duty cycle of 70%, the UCC2891DG4 is suitable for step-up and step-down power conversion. The positive, isolation-capable output stage with transistor driver is driven by a supply voltage range of 8.5V to 16V. Clock synchronization is supported. This component finds application in industrial power supplies, consumer electronics, and telecommunications equipment.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 16-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up/Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | 250kHz |
| Topology | Flyback, Forward Converter |
| Voltage - Supply (Vcc/Vdd) | 8.5V ~ 16V |
| Supplier Device Package | 16-SOIC |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Enable, On Time Control, Ramp, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 70% |
| Clock Sync | Yes |
| Number of Outputs | 1 |
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