UC3846Q
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC3846Q is a versatile PWM current-mode controller designed for high-performance power supply applications. This device supports multiple converter topologies including Boost, Flyback, Forward Converter, Half-Bridge, and Push-Pull configurations, enabling efficient step-up and step-down voltage regulation. Key control features include current limiting, enable functionality, frequency control up to 500kHz, and soft-start for smooth power-up sequences. The UC3846Q operates with a wide supply voltage range of 6.95V to 40V and offers a maximum duty cycle of 50%. It features two outputs, a single output phase, and a transistor driver output type, with synchronous rectification capabilities. The surface mount 20-PLCC (9x9) package is suitable for demanding applications across various industries.
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 |
| Frequency - Switching | 500kHz |
| Topology | Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull |
| Voltage - Supply (Vcc/Vdd) | 6.95V ~ 40V |
| Supplier Device Package | 20-PLCC (9x9) |
| 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 |