UCC2580D-2

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The UCC2580D-2 is a unique, adaptive dead-time control IC that provides improved AC-DC average current mode control with a high degree of system design flexibility. It is an integral part of the PMIC-AC DC Converters, Offline Switchers family, providing regulation and performance in a cost-effective design. The key features of the UCC2580D-2 include adaptive dead-time control, built-in open loop gain, and digital programming.

The UCC2580D-2 is designed to provide optimal dynamic performance and highest performance requirements in a wide range of applications. The device provides improved average current mode control (CMControl) of both isolated and non-isolated offline AC-DC power supplies. The UCC2580D-2 provides adaptive dead-time control (ADTC) to ensure optimal transient response and constant power throughout the entire operating range and compensates for any design-dependent changes in output power. This adaptive dead-time system allows the UCC2580D-2 to be used in a range of designs, depending on the power levels and the needs of the application.

The key features of the UCC2580D-2 include: adaptive dead-time control (ADTC), built-in open loop gain, and digital programming. The unique feature of the UCC2580D-2 is the Adaptive Dead-Time Control technology, which allows for the dynamic adjustment of the dead-time value in order to increase system efficiency, reduce noise, and improve response time. The built-in open loop gain of the UCC2580D-2 gives designers added flexibility to adjust the system gain to match design objectives. The digital programming feature allows designers to adjust specific parameters within the UCC2580D-2 in accordance with design requirements. Finally, the low start-up current and minimum shock current requirement make the UCC2580D-2 an ideal choice for high-efficiency, cost effective designs.

The UCC2580D-2 operates in a standard average current mode control configuration with external switches. The primary components of the design are as follows: error amplifier, integrated loop compensation, dead-time control, low current start-up, open loop gain, and digital programming. The error amplifier provides voltage reference for the power supply’s internal current sense and provides feedback from the output. The integrated loop compensation of the UCC2580D-2 provides stable operation in the presence of external capacitance and is integrated into the IC for improved system performance. The adaptive dead-time control technology dynamically adjusts the dead-time value to match system requirements, reducing noise and improving transient response time. The low start-up current and minimum shock current requirement ensure reliable operation and reduce the overall power required by the system.

Additionally, the built-in open loop gain feature allows designers to adjust the system gain to match design objectives. The digital programming feature allows designers to adjust specific parameters within the UCC2580D-2 as required according to their application needs. Finally, the high frequency oscillator is integrated into the UCC2580D-2 for reduced system cost and improved system performance.

The UCC2580D-2 is a cost effective solution for applications in the telecommunications, consumer electronics, computing, and medical industries. The device provides improved average current mode control of both isolated and non-isolated offline AC-DC power supplies, while the adaptive dead-time control, built-in open loop gain, and digital programming features provide additional flexibility and performance. The UCC2580D-2 is an ideal choice for high efficiency, low cost offline power supplies in both isolated and non-isolated configurations.

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