UC3843ADR2G
IC REG CTRLR BUCK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
Quality Control: Learn More
The onsemi UC3843ADR2G is a high-performance current-mode PWM controller designed for DC-DC converter applications. This versatile component supports boost and flyback topologies, enabling step-up and step-up/step-down voltage conversions. Featuring a wide operating voltage range of 7.6V to 30V, it offers robust performance across various power supply requirements.
The UC3843ADR2G integrates essential control features, including frequency control, and allows for a maximum duty cycle of 96%. It operates with switching frequencies up to 500kHz, facilitating compact and efficient power solutions. The device provides a single positive output configuration with isolation capability, making it suitable for applications requiring galvanically separated outputs. The output type is a transistor driver, supporting a single output phase.
This controller is housed in a 14-SOIC (0.154", 3.90mm Width) surface-mount package, supplied in tape and reel. It is commonly employed in industrial power supplies, consumer electronics, and automotive systems where efficient power conversion is critical. The operating temperature range is 0°C to 70°C.
Additional Information
Series: -RoHS Status: unknownManufacturer 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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