The TEA1751LT is a highly integrated Switched Mode Power Supply (SMPS) control IC from NXP Semiconductors, belonging to the GreenChip™ series, which is renowned for its energy efficiency and performance in power conversion applications. This compact and versatile controller IC is designed to meet the stringent requirements of modern power supply units, suitable for a wide range of applications such as adapters for notebooks, LCD TVs, and power supplies for PCs, servers, and telecom systems.

Key Features

• High Efficiency: The TEA1751LT incorporates a range of features to achieve high efficiency across various load conditions, contributing to energy savings and reduced heat generation.
• GreenChip Technology: As part of NXP's GreenChip series, this IC is optimized for low power consumption during standby and active modes, helping to achieve compliance with energy efficiency regulations like Energy Star.
• Multi-Mode Operation: It supports multiple operation modes including Quasi-Resonant (QR) mode at high power levels, and Frequency Reduction (FR) mode at lower power levels, providing excellent efficiency over the full load range.
• Integrated Protection: The TEA1751LT features various protection mechanisms such as OverVoltage Protection (OVP), OverCurrent Protection (OCP), and OverTemperature Protection (OTP), enhancing the reliability and safety of the power supply.
• Valley Switching: Valley switching techniques are utilized to minimize switching losses, further improving the overall efficiency of the power supply.

Applications

• Notebook Adapters
• LCD Television Power Supplies
• Desktop PC Power Supplies
• Server and Telecom Power Systems

The TEA1751LT is available in a compact SO8 package, making it suitable for use in space-constrained applications. With its advanced features and compliance with international energy-saving standards, the TEA1751LT is an excellent choice for designers looking to create efficient and reliable power solutions.