UC3846QTR
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC3846QTR is a versatile, high-performance current mode PWM controller designed for DC-DC converter applications including Boost, Flyback, Forward Converter, Half-Bridge, and Push-Pull topologies. This device features dual outputs and supports positive step-up and step-up/step-down voltage regulation. Key control features include current limiting, enable functionality, frequency control, and soft-start. The UC3846QTR offers a maximum duty cycle of 50% and operates at switching frequencies up to 500kHz. It integrates a clock synchronization capability and synchronous rectification for enhanced efficiency. The controller operates from a wide supply voltage range of 6.95V to 40V. Its 20-PLCC (9x9) surface mount package is supplied on tape and reel. This component is frequently utilized in industrial power supplies, consumer electronics, and telecommunications equipment.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| 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 |
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