Product Overview: UCC2813N-4

The UCC2813N-4 is a highly efficient, low-power, biCMOS pulse-width modulator (PWM) controller from Texas Instruments. This advanced power management integrated circuit (IC) is designed to cater to a wide array of power supply applications, including off-line and DC-to-DC converters. Its versatility and performance make it an ideal choice for engineers looking to enhance the reliability and efficiency of their power systems.

Key Features

• Operating Frequency: The UCC2813N-4 operates at a fixed frequency of 100kHz, which is optimal for various applications, balancing efficiency and component size.
• Low Startup and Operating Current: The device boasts a startup current of typically 0.5µA and an operating current of typically 2.5mA, minimizing power losses during both startup and steady-state operations.
• Advanced BiCMOS Technology: The use of biCMOS technology provides the benefits of both bipolar and CMOS transistors, offering robust performance with low power consumption.
• Drive Capability: It can source up to 1A and sink up to 2A of peak current, making it capable of driving a wide range of power MOSFETs and IGBTs.
• Trimmed Oscillator Discharge Current: This feature helps in achieving a consistent and stable frequency over the entire range of temperature and power supply variations.
• Current Sense Comparator: An onboard current sense comparator with a latched off capability provides reliable overcurrent protection.

Applications

The UCC2813N-4 is suitable for a variety of applications where efficient power conversion is required. These include:

• Switch-mode power supplies (SMPS)
• DC-DC converters
• Power supply for telecom and datacom systems
• Uninterruptible power supplies (UPS)
• LED drivers
• Battery chargers

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the UCC2813N-4 is no exception. It is designed to meet stringent industry standards, ensuring high reliability and performance across various environmental conditions. The device is available in an 8-pin PDIP (Plastic Dual-In-line Package), making it easy to integrate into a wide range of circuit board layouts.

With its combination of features, the UCC2813N-4 from Texas Instruments stands out as a robust solution for power management challenges in both commercial and industrial applications.