UC3525AQG3
IC REG CTRLR MULT TOP 20PLCCManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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The Texas Instruments UC3525AQG3 is a versatile voltage mode switching regulator controller. This device supports multiple power supply topologies, including buck, boost, flyback, forward converter, full-bridge, half-bridge, and push-pull configurations. It is designed for positive output step-up, step-down, and step-up/step-down DC-DC conversion. Key features include a wide operating voltage range of 8V to 35V, adjustable switching frequencies from 100Hz to 400kHz, and a maximum duty cycle of 49%. Control features such as enable, frequency control, and soft start are integrated for precise regulation. The UC3525AQG3 offers clock synchronization and a transistor driver output, suitable for applications requiring synchronous rectification. It is housed in a 20-PLCC package and operates within a temperature range of 0°C to 70°C. This component is commonly utilized in industrial power supplies and automotive electronics.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download 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 | 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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