Product Overview: UCC3813N-2 by Texas Instruments

The UCC3813N-2 is a high-performance, low-power, BiCMOS pulse-width modulation (PWM) controller from Texas Instruments. It is designed for a wide range of power supply applications and is particularly well-suited for switched-mode power supplies (SMPS). This controller integrates a variety of features that enhance system reliability, efficiency, and performance.

Key Features

• Operating Frequency: The UCC3813N-2 operates at a fixed frequency of 1MHz, which allows for smaller external components, resulting in a compact power supply design.
• Voltage Range: It features an input voltage range from 10V to 30V, making it versatile for various applications.
• Low Startup Current: The device has a startup current of typically 100µA, which helps in reducing standby power consumption.
• Current Mode Control: With current mode control, the UCC3813N-2 provides excellent transient response and simplified loop compensation.
• Drive Capability: It has the capability to drive a 1A peak current, ensuring that it can handle high-current gate drive requirements.
• Protection Features: The device includes a range of protection features such as overcurrent protection, undervoltage lockout (UVLO), and thermal shutdown to safeguard the system under abnormal conditions.

Applications

The UCC3813N-2 is ideal for use in various applications including:

• DC to DC Converters
• Off-line Power Supplies
• Telecommunication Equipment
• Portable Electronics
• Industrial Systems

Package and Quality

This PWM controller is offered in an 8-pin plastic DIP (PDIP) package, which is designed for through-hole mounting, providing ease of integration into various circuit designs. Texas Instruments' commitment to quality ensures that the UCC3813N-2 meets the stringent requirements of industrial and commercial applications.

With its robust feature set and flexible capabilities, the UCC3813N-2 from Texas Instruments stands out as a reliable choice for designers seeking to optimize their power management solutions.