Product Overview: Texas Instruments UCC3813PW-3

The UCC3813PW-3 is a versatile and efficient low-power pulse-width modulation (PWM) controller from Texas Instruments, designed to cater to a wide range of power supply applications. This integrated circuit is part of the UCC3813x family of BiCMOS PWM controllers, offering an optimal balance between performance and power consumption.

Key Features

• Operating Range: The UCC3813PW-3 operates at a supply voltage ranging from 8.5V to 21V, making it suitable for various intermediate bus voltages in complex power systems.
• Switching Frequency: It supports a high-frequency operation of up to 1MHz, allowing for the use of smaller passive components, which results in a more compact power supply design.
• Drive Capability: This device can deliver 1A peak output current, ensuring robust drive capability for a wide range of power MOSFETs and IGBTs.
• Low Startup Current: The low startup current of less than 100µA makes it an excellent choice for battery-powered and energy-efficient applications.
• Advanced Protection Features: It includes a variety of protection features such as under-voltage lockout (UVLO), overcurrent protection, and thermal shutdown to ensure reliable operation under adverse conditions.

Applications

The UCC3813PW-3 is ideal for use in a multitude of applications, including:

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

Product Packaging

This PWM controller is available in a 14-pin TSSOP (Thin Shrink Small Outline Package), providing a space-saving solution that is well-suited for high-density printed circuit boards.

Quality and Reliability

As with all Texas Instruments products, the UCC3813PW-3 is manufactured to the highest quality standards, ensuring reliable performance in a range of environmental conditions. Its robust design and comprehensive protection features contribute to the longevity and durability of the end application.