UC3845BVDG
IC REG CTRLR BOOST/FLYBK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3845BVDG is a high-performance current-mode controller designed for Boost, Flyback, and isolated output topologies. This device features a voltage range of 7.6V to 30V, enabling versatile power supply designs. The UC3845BVDG supports switching frequencies up to 500kHz, with a maximum duty cycle of 48%, allowing for compact and efficient power conversion. Its output is a positive, isolation-capable transistor driver, suitable for applications requiring isolation. The 14-SOIC package facilitates surface mounting. Key control features include frequency control, and it operates across an ambient temperature range of -40°C to 105°C. This component is widely utilized in power supply units, lighting, and industrial control systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 14-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V |
| Supplier Device Package | 14-SOIC |
| 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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