E-UC2843BD1
IC REG CTRLR BOOST/FLYBACK 8SOICManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
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STMicroelectronics UC2843BD1 is a versatile PWM current-mode controller designed for high-performance Boost and Flyback topologies. This 8-SOIC package device offers a wide input voltage range from 7.6V to 30V and supports switching frequencies up to 500kHz. Key control features include precise frequency control and a maximum duty cycle of 96%, enabling efficient power conversion. The UC2843BD1 is suitable for applications requiring a positive, isolation-capable output, functioning as a step-up or step-down DC-DC controller. Its output drives a transistor, and it operates across a temperature range of -25°C to 85°C. This component finds application in power supplies, industrial automation, and consumer electronics.
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 | 8-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | 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 | 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 |
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