Texas Instruments

UC2572D

UC2572D Description

The UC2572D is a highly efficient transistor driver designed for flyback topology applications, manufactured by Texas Instruments. This DC-DC switching controller is engineered to provide robust performance and reliability in a compact surface-mount package. With a wide supply voltage range of 4.75V to 30V, the UC2572D is suitable for a variety of applications requiring stable power conversion. Its switching frequency of 100kHz ensures efficient operation while minimizing electromagnetic interference (EMI).

UC2572D Features

• Output Type: Transistor Driver
• Output Configuration: Negative
• Frequency - Switching: 100kHz
• Voltage - Supply (Vcc/Vdd): 4.75V to 30V
• Control Features: Current Limit, Ramp
• Duty Cycle (Max): 92%
• Number of Outputs: 1
• Output Phases: 1
• Package: Tube
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The UC2572D stands out with its comprehensive control features, including current limit and ramp control, which enhance system stability and protect against overcurrent conditions. The maximum duty cycle of 92% allows for efficient power transfer, making it ideal for applications where high efficiency is critical.

UC2572D Applications

The UC2572D is well-suited for a range of applications, including:

• Power Supplies: Ideal for compact and efficient power supply designs, particularly in consumer electronics and industrial equipment.
• Adaptive Voltage Regulators: Enhances the performance of voltage regulators by providing precise control and efficient power conversion.
• Battery Chargers: Ensures reliable and efficient charging of batteries in various devices.
• LED Drivers: Provides stable power for LED lighting systems, ensuring consistent brightness and longevity.

Conclusion of UC2572D

The UC2572D from Texas Instruments is a versatile and reliable DC-DC switching controller designed for flyback topology applications. Its wide supply voltage range, efficient switching frequency, and comprehensive control features make it an excellent choice for a variety of power conversion needs. The UC2572D's compliance with REACH and ROHS3 standards ensures it meets the highest environmental and safety regulations. Its surface-mount package and moisture sensitivity level of 1 (unlimited) make it suitable for both high-volume production and sensitive environments. Whether used in power supplies, adaptive voltage regulators, battery chargers, or LED drivers, the UC2572D offers superior performance and reliability, making it a standout choice in the electronics industry.