UC3525AQTRG3
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments UC3525AQTRG3 is a versatile DC-DC controller IC designed for multiple switching topologies including Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull configurations. This device supports positive output voltage regulation for step-up, step-down, and step-up/step-down applications. Key features include internal voltage reference, error amplifier, current limit amplifier, and oscillator. The UC3525AQTRG3 offers precise control with features such as Enable, Frequency Control, and Soft Start, operating with a maximum duty cycle of 49%. It supports switching frequencies from 100Hz to 400kHz and includes clock synchronization capabilities. The controller has two outputs and is configured for a single output phase driving a transistor. It operates from a supply voltage range of 8V to 35V and has an operating temperature range of 0°C to 70°C. The component is supplied in a 20-PLCC (9x9) package, suitable for surface mounting, and is delivered on tape and reel. This component finds application in power supplies for industrial and consumer electronics.
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-Down, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 100Hz ~ 400kHz |
| Topology | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 35V |
| Supplier Device Package | 20-PLCC (9x9) |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Frequency Control, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 49% |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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