Texas Instruments

UC2573D

UC2573D Description

The UC2573D is a high-performance transistor driver designed for buck topology power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-pin SOIC package. The UC2573D is designed to operate within a wide supply voltage range of 4.75V to 30V, making it highly versatile for various power supply applications. It features a positive output configuration and is capable of switching at a frequency of 100kHz, ensuring efficient power conversion.

UC2573D Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 100kHz
• Voltage - Supply (Vcc/Vdd): 4.75V to 30V
• Duty Cycle (Max): 92%
• Number of Outputs: 1
• Control Features: Current Limit, Ramp
• Output Phases: 1
• Synchronous Rectifier: No
• Clock Sync: No
• Package: Tube
• Product Status: Active
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Mounting Type: Surface Mount

The UC2573D offers several unique features that set it apart from similar models. Its wide operating voltage range and high maximum duty cycle provide flexibility and efficiency in power conversion. The inclusion of current limit and ramp control features ensures stable and reliable performance, making it suitable for demanding applications. Additionally, the device's compliance with ROHS3 and REACH standards highlights its suitability for environmentally conscious designs.

UC2573D Applications

The UC2573D is ideal for a variety of applications where efficient power conversion and reliable performance are critical. Its buck topology makes it particularly well-suited for use in:

• Power Supplies: The UC2573D's wide voltage range and high switching frequency make it suitable for designing compact and efficient power supplies.
• Battery Chargers: Its ability to handle a wide input voltage range and provide stable output makes it an excellent choice for battery charging applications.
• Motor Drives: The device's robust control features and high duty cycle capability ensure reliable performance in motor drive applications.
• Industrial Equipment: The UC2573D's compliance with environmental standards and its robust design make it suitable for use in industrial equipment where reliability and efficiency are paramount.

Conclusion of UC2573D

The UC2573D from Texas Instruments is a versatile and high-performance transistor driver designed for buck topology power management applications. Its wide operating voltage range, high switching frequency, and robust control features make it an excellent choice for a variety of applications, including power supplies, battery chargers, motor drives, and industrial equipment. The device's compliance with environmental standards and its surface-mount package further enhance its suitability for modern, environmentally conscious designs. Overall, the UC2573D offers a reliable and efficient solution for power management needs.