UC3843BVDG
IC REG CTRLR FLYBACK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3843BVDG is a highly efficient current-mode PWM controller designed for boost, flyback, and isolated output topologies. This device is suitable for step-up and step-up/step-down DC-DC conversion applications. Key features include a wide supply voltage range of 7.6V to 30V, a maximum duty cycle of 96%, and a switching frequency capability up to 500kHz. The UC3843BVDG offers precise frequency control and operates with a single output phase, providing a positive, isolation-capable output. Its 14-SOIC package is designed for surface mounting. This component is commonly utilized in power supply units, lighting, and industrial automation systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| 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) | 96% |
| Clock Sync | No |
| Number of Outputs | 1 |
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