Product Overview: UCC2813D-5 Low-Power BiCMOS Current-Mode PWM Controller

The UCC2813D-5 is a versatile PWM (Pulse Width Modulation) controller designed by Texas Instruments, renowned for its integration of advanced BiCMOS technology. This component is part of a family of high-speed, low-power integrated circuits that offer exceptional performance in power supply designs. The UCC2813D-5 is specifically tailored to cater to a wide array of applications, including offline power converters, DC-DC converters, and other power control and management systems.

Key Features

• Operating Range: The UCC2813D-5 operates with a supply voltage range of 8.5V to 16V, making it suitable for a variety of power systems.
• Current-Mode Control: This device employs current-mode control which provides superior response to load transients and simplifies loop compensation.
• High-Frequency Operation: With its capability to operate at frequencies up to 1MHz, the UCC2813D-5 enables the design of power supplies with smaller components, resulting in compact and efficient power solutions.
• Low Startup and Operating Current: The low startup current (typically 0.5µA) and low operating current (typically 2.5mA) minimize power losses and improve efficiency.
• Trimmed Oscillator Discharge Current: The oscillator discharge current is trimmed to ensure precise duty cycle clamping, which is crucial for reliable and predictable power supply operation.
• Automatic Feed-Forward Compensation: This feature helps in maintaining stability over a wide range of input voltages and output capacitance.

Applications

The UCC2813D-5 is ideal for a range of applications that demand efficient power management and precise control. It is commonly used in:

• Switching power supplies
• Power converters for personal computers
• Telecommunications equipment
• Industrial power systems
• Battery-operated devices

With its robust design and advanced features, the UCC2813D-5 from Texas Instruments stands out as a reliable choice for designers looking to optimize their power supply systems for performance, size, and efficiency.