UC3843BVD1
IC REG CTRLR FLYBACK 8SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
Quality Control: Learn More
The onsemi UC3843BVD1 is a high-performance current-mode PWM controller designed for off-line and DC-to-DC converter applications. This 8-SOIC package device features a robust architecture suitable for Boost and Flyback topologies, offering isolation-capable output capabilities. Its operating frequency can reach up to 500kHz, with a maximum duty cycle of 96%, enabling efficient power conversion. The UC3843BVD1 operates within a wide supply voltage range of 7.6V to 30V and is specified for operation from -40°C to 105°C. Key control features include frequency control. This component is utilized in power supplies for various industrial sectors.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload 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 | -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 | 8-SOIC |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 96% |
| Clock Sync | No |
| Number of Outputs | 1 |