UC3825AQ
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
Quality Control: Learn More
Texas Instruments UC3825AQ is a voltage mode PWM controller designed for high-performance DC-DC converter applications. This controller supports multiple topologies including Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull configurations. It offers a wide operating frequency range from 400kHz to 1MHz, with a maximum duty cycle of 50%. Key control features include current limiting, frequency control, ramp compensation, and soft-start functionality. The UC3825AQ provides two outputs and is suitable for positive output step-up and step-up/step-down voltage regulation. It operates from an 8.4V to 22V supply voltage and is packaged in a 20-PLCC (9x9) surface-mount format. This component is commonly utilized in power supply designs across various industries requiring efficient and robust power conversion.
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 | 400kHz ~ 1MHz |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 22V |
| Supplier Device Package | 20-PLCC (9x9) |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Frequency Control, Ramp, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 50% |
| Clock Sync | No |
| Number of Outputs | 2 |
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