Texas Instruments

UC1526AL883B  

DC DC Switching Controllers

UC1526AL883B Description

The UC1526AL883B is a high-performance regulating pulse width modulator (PWM) designed for a wide range of power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is engineered to provide efficient and reliable power conversion. The UC1526AL883B features a synchronous rectifier, ensuring minimal power loss and high efficiency. It supports a wide input voltage range of 4.5V to 35V, making it suitable for various power supply designs. The device is packaged in a tube format, ideal for surface mount applications, and is RoHS3 compliant, ensuring environmental sustainability.

UC1526AL883B Features

• Synchronous Rectifier: The UC1526AL883B incorporates a synchronous rectifier, which significantly reduces power loss and enhances overall efficiency compared to traditional diode-based rectifiers.
• Output Type: It functions as a transistor driver, providing robust control over external transistors, making it ideal for driving high-power loads.
• Output Configuration: The device supports both positive and negative output configurations, offering flexibility in circuit design.
• Clock Synchronization: The UC1526AL883B includes clock synchronization capabilities, ensuring precise timing and coordination with other system components.
• Control Features: It offers a comprehensive set of control features, including enable, frequency control, reset, and soft start, providing extensive control over the PWM operation.
• Frequency Range: The device operates within a wide frequency range of 1Hz to 600kHz, allowing for versatile applications from low-frequency control to high-speed switching.
• Output Phases: It supports a single output phase, simplifying the design and reducing complexity.
• Duty Cycle: The maximum duty cycle is 49%, ensuring stable and reliable performance across various operating conditions.
• Compliance: The UC1526AL883B is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Mounting Type: The surface mount design facilitates easy integration into compact and high-density PCB layouts.

UC1526AL883B Applications

The UC1526AL883B is well-suited for a variety of applications where efficient power conversion and precise control are critical. Its wide input voltage range and flexible output configuration make it ideal for:

• Power Supplies: Ideal for designing efficient power supplies in various electronic systems, including industrial equipment, telecommunications, and consumer electronics.
• Motor Control: The device's robust control features and wide frequency range make it suitable for motor control applications, ensuring precise speed and torque control.
• Battery Chargers: The UC1526AL883B can be used in battery charger designs, providing efficient power conversion and ensuring optimal charging profiles.
• DC-DC Converters: It is a key component in DC-DC converter designs, offering high efficiency and reliable performance for voltage regulation.

Conclusion of UC1526AL883B

The UC1526AL883B from Texas Instruments is a versatile and efficient regulating pulse width modulator designed for demanding power management applications. Its synchronous rectifier, wide input voltage range, and extensive control features make it a superior choice over similar models. The device's compliance with environmental standards and its surface mount design further enhance its appeal for modern, high-density electronic systems. Whether used in power supplies, motor control, battery chargers, or DC-DC converters, the UC1526AL883B delivers reliable performance and significant efficiency improvements, making it an essential component for engineers and designers in the electronics industry.

UC1526AL883B Documents

Download datasheets and manufacturer documentation for UC1526AL883B