The UCC2808ADTR-2 by Texas Instruments is a cutting-edge, low-power, BiCMOS current-mode pulse-width modulation (PWM) controller. Designed with advanced technology, this device is optimized for efficient power conversion and management, making it an ideal choice for a wide range of applications, including but not limited to switch-mode power supplies, DC-DC converters, and power factor correction circuits.

Key Features

• Low Startup and Operating Current: The UCC2808ADTR-2 boasts an ultra-low startup current of 0.5 µA and a low operating current of 3 mA, ensuring energy-efficient operation in various power systems.
• High-Frequency Operation: Capable of operating at frequencies up to 1 MHz, this PWM controller allows for smaller passive components, resulting in compact and lightweight power supply designs.
• Dual Output Drive Stages: It features push-pull output stages that can deliver peak currents of ±1 A, providing robust drive capability for power MOSFETs and IGBTs.
• Trimmed Oscillator Discharge Current: The oscillator discharge current is precisely trimmed to ensure accurate and repeatable frequency settings, which is crucial for consistent performance across multiple units.
• Programmable Slope Compensation: This function helps to stabilize the peak current mode control loop, especially in applications with duty cycles greater than 50%.

Applications

Due to its versatile nature, the UCC2808ADTR-2 is suitable for a variety of power supply applications, including:

• AC-DC Converters
• Isolated and Non-Isolated DC-DC Converters
• Offline Power Supplies
• Telecom and Datacom Power Systems
• Industrial Power Systems

Product Specifications

The UCC2808ADTR-2 is available in a TSSOP-8 package, providing a compact footprint for space-constrained applications. It operates over an extended temperature range of -40°C to +85°C, ensuring reliability in harsh environments. With its advanced features and robust design, the UCC2808ADTR-2 from Texas Instruments is a smart choice for designers seeking a high-performance, energy-efficient PWM controller for their power management solutions.