UC3841DW
IC REG CTRLR MULT TOP 18SOICManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC3841DW is a versatile voltage mode PWM controller designed for a wide range of DC-DC converter topologies including Boost, Flyback, and Forward converters. This 18-SOIC package device offers positive, isolation-capable output and is suitable for step-up and step-down applications. Key control features include current limit, enable, frequency control, ramp, reset, and soft start, enabling precise regulation. It operates with a maximum duty cycle of 95% and a switching frequency up to 500kHz. The device accepts a supply voltage range of 8V to 32V and is rated for operation from 0°C to 70°C. Applications span industrial power supplies, consumer electronics, and telecommunications.
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 | 18-SOIC (0.295"", 7.50mm 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 | 500kHz |
| Topology | Boost, Flyback, Forward Converter |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 32V |
| Supplier Device Package | 18-SOIC |
| 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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