UC3843AD1
IC REG CTRLR BOOST/FLYBACK 8SOICManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
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The STMicroelectronics UC3843AD1 is a high-performance, fixed-frequency current-mode controller designed for boost, flyback, and isolated output configurations. This versatile DC-DC controller IC operates with a wide supply voltage range of 10V to 30V and features a maximum duty cycle of 96%. It supports switching frequencies up to 500kHz, enabling efficient power conversion in compact designs. The device's output configuration is positive and isolation capable, with a single output phase.
Engineered for demanding applications, the UC3843AD1 is suitable for power supplies in the industrial, automotive, and consumer electronics sectors. Its 8-SOIC (0.154", 3.90mm Width) package facilitates surface mounting. Key control features include frequency control for precise regulation. The UC3843AD1 is supplied in a tube package.
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 | 0°C ~ 70°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 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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