UC3841Q
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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The Texas Instruments UC3841Q is a highly versatile current-mode PWM controller designed for efficient DC-DC conversion. This device supports Boost, Flyback, and Forward converter topologies, offering flexibility for step-up, step-up/step-down, and isolation-capable output configurations. Featuring a robust operating temperature range of 0°C to 70°C, it is suitable for applications in industrial automation and consumer electronics. The UC3841Q integrates essential control features including current limit, enable, frequency control, ramp, reset, and soft start, facilitating precise regulation. It operates with a switching frequency up to 500kHz and a maximum duty cycle of 95%, powered by a supply voltage range of 8V to 32V. This controller is presented in a 20-PLCC (9x9) surface mount package, ideal for high-density board designs.
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 | 20-LCC (J-Lead) |
| 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 | 500kHz |
| Topology | Boost, Flyback, Forward Converter |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 32V |
| Supplier Device Package | 20-PLCC (9x9) |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 95% |
| Clock Sync | No |
| Number of Outputs | 1 |
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