The maximum operating temperature range for the UCC2808AQDR-2EP is -40°C to 125°C.
To ensure proper biasing, connect the VCC pin to a stable 12V to 15V power supply, and decouple the VCC pin with a 10uF capacitor to ground. Additionally, connect the EN pin to a logic-level signal or a voltage divider to set the desired output voltage.
To minimize noise and ensure reliable operation, use a multi-layer PCB with a solid ground plane, keep the input and output capacitors close to the IC, and use short, wide traces for the power lines. Avoid routing sensitive signals near the switching node.
The output voltage of the UCC2808AQDR-2EP can be calculated using the formula: Vout = (R1 / R2) * (Vref - Vfb), where R1 and R2 are the feedback resistors, Vref is the internal reference voltage (2.5V), and Vfb is the feedback voltage.
The UCC2808AQDR-2EP is a high-performance, low-power controller with a wide input voltage range and high switching frequency. It is similar to the UCC3808, but with a lower quiescent current and higher efficiency. It is also similar to the LM2675, but with a wider input voltage range and higher output current capability.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.