UC2843ADR2
IC REG CTRLR BUCK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
Quality Control: Learn More
The onsemi UC2843ADR2 is a high-performance current-mode PWM controller designed for DC-DC converters. This versatile IC supports Boost and Flyback topologies, offering a robust solution for step-up and step-up/step-down power regulation. Key features include a wide operating voltage range of 7.6V to 30V, a maximum duty cycle of 96%, and switching frequencies up to 500kHz. The UC2843ADR2 provides frequency control for precise power management. Its output configuration is a positive, isolation-capable transistor driver, suitable for applications requiring galvanic isolation. The device is packaged in a 14-SOIC (0.154" width) and supplied on tape and reel. This component is commonly utilized in industrial power supplies, consumer electronics, and automotive applications where efficient and reliable voltage conversion is critical.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| 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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