UC3847N
IC REG CTRLR MULT TOPOLOGY 16DIPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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The Texas Instruments UC3847N is a versatile, high-performance current-mode PWM controller designed for multiple power supply topologies including boost, flyback, forward converter, half-bridge, and push-pull configurations. This device features a fixed-frequency architecture with a maximum switching frequency of 500kHz, enabling compact power supply designs. Key control features include integrated current limiting, enable functionality, frequency control, and soft-start for robust operation. The UC3847N supports step-up and step-down voltage conversion with a positive output configuration. It offers two outputs, each capable of driving a transistor, and operates with a voltage supply range of 6.95V to 40V, with a maximum duty cycle of 50%. This controller is suitable for applications in industrial automation, power management, and consumer electronics. The component is housed in a 16-pin DIP package for through-hole mounting.
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 | 16-DIP (0.300"", 7.62mm) |
| Output Type | Transistor Driver |
| Mounting Type | Through Hole |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 500kHz |
| Topology | Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull |
| Voltage - Supply (Vcc/Vdd) | 6.95V ~ 40V |
| Supplier Device Package | 16-PDIP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 50% |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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