UC3845BD1G
IC REG CTRLR BOOST/FLYBACK 8SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3845BD1G is a high-performance current-mode PWM controller designed for boost and flyback topologies. This positive, isolation-capable output controller operates with a supply voltage range of 7.6V to 30V. Featuring frequency control, it supports switching frequencies up to 500kHz, with a maximum duty cycle of 48%. The UC3845BD1G is suitable for a single-phase output configuration and provides a transistor driver output. Its 8-SOIC package is designed for surface mounting. This device is commonly employed in power supplies, battery chargers, and lighting applications.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 20 week(s)Product Status: Last Time BuyPackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°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 | 8-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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