The UCC2808DTR-1G4 is a state-of-the-art low-power, high-performance, current-mode PWM controller from Texas Instruments. This advanced IC is designed for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal external components. Its unique features enable the design of compact, efficient, and robust power systems for a wide range of applications.

Key Features

• Low Start-Up Current: The device boasts a low start-up current of less than 1µA, which significantly enhances system efficiency, particularly in standby modes.
• Trimmed Oscillator Discharge Current: This feature helps in achieving a tight regulation of frequency over temperature and process variations, ensuring consistent performance.
• Dual Output Drive Stages: The UCC2808DTR-1G4 includes push-pull output stages that can deliver peak currents to the gates of power MOSFETs, enhancing the efficiency of the power stage.
• Current Sense Comparator: An onboard current sense comparator with a latched off capability provides reliable overcurrent protection.
• Green Product: It is a lead-free and RoHS compliant device, making it an environmentally friendly choice for power supply designs.

Applications

The UCC2808DTR-1G4 is versatile and can be used in a variety of applications, including:

• AC-DC Converters
• Isolated and Non-Isolated Power Supplies
• Telecom and Datacom Power
• Power Supplies for Consumer Electronics
• DC-DC Modules

Technical Specifications

The device operates over a wide supply voltage range and features a programmable switching frequency up to 500kHz. It is offered in a compact surface-mount 8-pin SOIC package, making it ideal for space-constrained applications.

Quality and Reliability

With Texas Instruments' commitment to quality, the UCC2808DTR-1G4 is manufactured to the highest standards and has been rigorously tested to ensure reliability and performance under various conditions.

For detailed technical specifications, application notes, and support documentation, please visit the Texas Instruments official website or contact their support team.