UC3825Q
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC3825Q is a versatile voltage mode PWM controller designed for high-performance DC-DC converters. This component supports multiple topologies including Buck, Boost, Flyback, Forward, Full-Bridge, Half-Bridge, and Push-Pull configurations, enabling step-up, step-down, and step-up/step-down applications. The UC3825Q features robust control functions such as current limit, enable, frequency control, ramp, and soft start. It operates with a wide supply voltage range of 8.4V to 30V and offers adjustable switching frequencies between 340kHz and 460kHz, with a maximum duty cycle of 85%. The device provides two outputs and a transistor driver output type, suitable for driving external power switches. Packaged in a 20-PLCC (9x9) surface mount format, this controller is commonly utilized in industrial power supplies, automotive electronics, and telecommunications infrastructure.
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-Down, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 340kHz ~ 460kHz |
| Topology | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 30V |
| Supplier Device Package | 20-PLCC (9x9) |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Enable, Frequency Control, Ramp, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 85% |
| Clock Sync | No |
| Number of Outputs | 2 |
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