UCC2813D-2

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UCC2813D-2 is a low-cost and low-power, single-phase, current-mode Pulse Width Modulation (PWM) controller. It is used in various application fields, such as offline switching power supplies, DC/DC converters, AC/DC converters, LED lighting, and other power management systems. It is designed to provide fast transient response and excellent line and load regulation.

In terms of application fields, UCC2813D-2 is mainly used in offline switching power supply applications. It is used in a variety of topologies, such as flyback, full-bridge forward, and half-bridge forward converters. It is also suitable for low power applications such as LED lighting, automotive power supplies, and Uninterruptable Power Supplies (UPS).

In terms of working principle, UCC2813D-2 is a current-mode PWM controller. It senses the output current by sampling the voltage across a sense resistor and provides accurate output voltage regulation. It features internal soft start, frequency jittering, overcurrent protection, and overvoltage protection. It also features a superior power stage design that minimizes standby mode power and reduces system cost. In addition, the UCC2813D-2 is designed for decreased EMI, which is essential for low power applications.

Conclusion:

UCC2813D-2 is a low-cost and low-power, single-phase, current-mode PWM controller designed for offline switching power supplies and DC/DC converters. It is also suitable for low power applications such as LED lighting and automotive power supplies. It features internal soft start, frequency jittering, overcurrent protection, and overvoltage protection. In addition, it is designed for decreased EMI, which is essential for low power applications.

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