The UCC2813N-5 from Texas Instruments is a high-performance, low-power, BiCMOS current-mode pulse width modulation (PWM) controller. It is an integral component for power supply designs requiring a robust and efficient solution. This device is part of the UCC2813x family, which offers a range of performance features tailored to a variety of applications, including offline power supplies, DC-DC converters, and more.

Key Features

• Operating Range: The UCC2813N-5 is designed to operate at a fixed frequency of 500 kHz, making it suitable for applications that require a high switching frequency for smaller and more efficient transformers and filter components.
• Supply Voltage: It has a wide supply voltage range from 10V to 30V, providing flexibility in various power environments and ensuring stable operation under varying conditions.
• Current Mode Control: The controller employs current mode control which provides superior bandwidth and transient response, as well as inherent protection against short circuits.
• Low Power Consumption: It features a low startup current of less than 0.5 mA and a low operating current, which makes it ideal for power-sensitive applications.
• Drive Capability: The UCC2813N-5 is capable of delivering 1A peak output current, enabling it to drive a wide range of power MOSFETs and IGBTs.
• Protection Features: It includes a variety of protection features such as undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown, ensuring reliable operation and longevity of the power supply circuit.

Applications

The versatility of the UCC2813N-5 PWM controller makes it suitable for a wide array of applications. It is commonly used in AC-DC power supplies for consumer electronics, telecommunications equipment, and industrial systems. Additionally, its high-frequency operation is ideal for compact power solutions where space is at a premium.

Package and Availability

The UCC2813N-5 is available in an 8-pin plastic DIP package, which is easy to handle and compatible with standard PCB layouts. For detailed information about pricing, availability, and additional technical resources, please visit the Texas Instruments website or contact an authorized distributor.