UC3845BNST
IC REG CTRLR BST/FLYBK 8-MINIDIPManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
Quality Control: Learn More
STMicroelectronics UC3845BNST is an 8-pin Mini DIP DC-DC controller IC designed for boost and flyback topologies. This device features a voltage range of 7.6V to 30V and offers a control feature for frequency control, supporting switching frequencies up to 500kHz. The UC3845BNST provides a positive, isolation-capable output and a maximum duty cycle of 48%. It is suitable for single-output, single-phase applications. Operating across an extended temperature range of -40°C to 150°C (TJ), this component is commonly utilized in power supply applications within 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 | 8-DIP (0.300"", 7.62mm) |
| Output Type | Transistor Driver |
| Mounting Type | Through Hole |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V |
| Supplier Device Package | 8-Mini DIP |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 48% |
| Clock Sync | No |
| Number of Outputs | 1 |
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