The UCC3813D-2 is a versatile pulse width modulation (PWM) controller from Texas Instruments, designed to cater to a wide range of power supply applications. This component is part of the UCC3813x family, which is known for its reliability and performance in managing power conversion and regulation tasks.

Key Features

• Voltage Range: The UCC3813D-2 operates at a supply voltage ranging from 10V to 15V, making it suitable for various circuit configurations and ensuring stable performance across different power levels.
• Frequency Range: With a programmable frequency range up to 1 MHz, this controller can be tailored for high-frequency power supply designs, providing the flexibility to optimize the size and response of the power supply components.
• Low Power Consumption: It has a typical startup current of 100 µA and a low operating current of 1.1 mA, which minimizes power loss and improves the efficiency of the overall system.
• Advanced Control: The UCC3813D-2 features a totem-pole output capable of delivering peak currents of up to 1A, allowing for direct drive of power MOSFETs and ensuring robust power delivery and control.
• Protection Features: This controller includes a variety of protection features such as undervoltage lockout (UVLO), overcurrent protection (OCP), and a programmable soft-start function to enhance system safety and reliability.

Applications

The UCC3813D-2 is ideal for use in a range of applications, including:

• DC to DC converters
• Off-line power supplies
• Telecommunications equipment
• Portable devices and battery-powered systems

Package and Quality

Offered in a 14-pin SOIC package, the UCC3813D-2 is designed for surface mount technology (SMT), ensuring ease of integration into PCB designs. Texas Instruments upholds rigorous quality standards, and this product is no exception, delivering consistent performance and reliability that engineers and designers have come to expect from TI components.