UC3843ADR2
IC REG CTRLR BUCK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3843ADR2 is a versatile current-mode PWM controller IC, designed for efficient DC-DC conversion. This component is capable of implementing Boost, Flyback, and Step-Up/Step-Down topologies, offering flexibility for various power supply designs. It features a wide operating voltage range from 7.6V to 30V and supports output configurations with isolation capability. With a maximum duty cycle of 96% and switching frequencies up to 500kHz, the UC3843ADR2 is suitable for applications requiring precise control and high efficiency. It includes frequency control for fine-tuning performance. The device is supplied in a 14-SOIC package for surface mounting, commonly utilized in industrial, automotive, and consumer electronics sectors.
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 | 0°C ~ 70°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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