UC3843BVN
IC REG CTRLR FLYBACK 8DIPManufacturer: onsemi
Categories: DC DC Switching Controllers
Quality Control: Learn More
onsemi UC3843BVN. This is a high-performance current-mode PWM controller designed for Boost and Flyback topologies. It features a wide operating voltage range from 7.6V to 30V and supports switching frequencies up to 500kHz. The UC3843BVN offers precise control with a maximum duty cycle of 96%, ideal for applications requiring efficient power conversion. Its output is configured for positive, isolation-capable, single-phase operation, utilizing a transistor driver for direct control. The component is supplied in an 8-PDIP package with through-hole mounting, suitable for robust industrial and commercial applications in power supplies and motor control. Operating temperature range is -40°C to 105°C (TA).
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-DIP (0.300"", 7.62mm) |
| Output Type | Transistor Driver |
| Mounting Type | Through Hole |
| 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-PDIP |
| 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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