The UC3825Q-TI is a high-performance switching controller designed for voltage-mode control applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for applications requiring precise control over switching frequencies and output voltages. The UC3825Q-TI operates within a supply voltage range of 8.4V to 30V and supports a switching frequency range of 340kHz to 460kHz. It features a positive output configuration and is designed as a transistor driver with two outputs. The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental standards. With a moisture sensitivity level (MSL) of 2 (1 Year), the UC3825Q-TI is suitable for surface mount applications and operates within an ambient temperature range of 0°C to 70°C.
The UC3825Q-TI offers several advanced control features that enhance its performance and versatility. These include current limit, enable, frequency control, ramp, and soft start capabilities. The device supports a maximum duty cycle of 85% and operates with a single output phase. It does not support synchronous rectification or clock synchronization, which simplifies the design for certain applications. The UC3825Q-TI is packaged in bulk and is classified under ECCN EAR99 and HTSUS 8542.39.0001. Its unique combination of features provides significant advantages over similar models, such as enhanced stability, reduced component count, and improved efficiency.
The UC3825Q-TI is well-suited for a variety of applications where precise voltage control and efficient power management are critical. It is ideal for use in DC-DC converters, power supplies, and other power management systems. The device's wide operating voltage range and adjustable switching frequency make it suitable for applications requiring flexibility and adaptability. Its current limit and soft start features ensure safe operation during startup and under varying load conditions. The UC3825Q-TI's enable and frequency control capabilities provide additional flexibility for system designers, allowing for optimized performance in various operating scenarios.
In summary, the UC3825Q-TI is a robust and versatile switching controller that offers a comprehensive set of features for voltage-mode control applications. Its wide operating voltage range, adjustable switching frequency, and advanced control features make it an excellent choice for a variety of power management applications. The device's compliance with environmental standards and its surface mount compatibility further enhance its appeal. Whether used in DC-DC converters, power supplies, or other power management systems, the UC3825Q-TI provides reliable performance and significant design advantages.
Download datasheets and manufacturer documentation for UC3825Q-TI