UC2843BD
IC REG CTRLR FLYBACK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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onsemi UC2843BD is a versatile current-mode PWM controller designed for high-performance DC-DC converter applications. This IC supports both Boost and Flyback topologies, offering flexibility for step-up and step-up/step-down configurations with isolation capabilities. Featuring frequency control up to 500kHz and a maximum duty cycle of 96%, the UC2843BD enables efficient power conversion. The positive output configuration and transistor driver output are suitable for a single output phase. Operating from a 7.6V to 30V supply voltage, this component is housed in a 14-SOIC package for convenient surface mounting. Its robust design finds application in power supplies, industrial automation, and lighting control systems.
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 | 14-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | -25°C ~ 85°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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