UC3844BNST
IC REG CTRLR PWM CM 8-MINIDIPManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
Quality Control: Learn More
The STMicroelectronics UC3844BNST is an 8-pin Mini DIP PWM current-mode controller designed for versatile DC-DC applications. This component supports Boost and Flyback topologies, enabling step-up and step-up/down voltage conversion with isolation capabilities. Key features include a maximum duty cycle of 48% and switching frequencies up to 500kHz. The device operates within a voltage supply range of 10V to 30V and features frequency control for enhanced performance. It is suitable for single-output configurations and is presented in an 8-DIP (0.300", 7.62mm) package. This controller finds application in industrial power supplies and consumer electronics.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-DIP (0.300"", 7.62mm) |
| Output Type | Transistor Driver |
| Mounting Type | Through Hole |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TJ) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V |
| Supplier Device Package | 8-Mini DIP |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 48% |
| Clock Sync | No |
| Number of Outputs | 1 |
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