Maxim Integrated Product: MAX8739ETP+

The MAX8739ETP+ is a high-performance, versatile power-supply controller from Maxim Integrated, designed to cater to a wide range of applications including laptops, notebooks, and other portable devices. Its primary function is to manage the power requirements of thin-film transistor (TFT) liquid crystal displays (LCDs), ensuring optimal performance and efficiency.

Key Features

• Wide Input Voltage Range: The device supports an input voltage range from 4.5V to 28V, making it suitable for use with a variety of power sources.
• Dual Output: It features dual outputs for both the source (Vs) and the gate (Vg) drive voltages for TFT LCDs.
• High Frequency Operation: The MAX8739ETP+ operates at a high switching frequency, which allows for the use of smaller, cost-effective external components.
• Adjustable Outputs: Both outputs are adjustable, providing flexibility to match the requirements of specific display panels.
• Integrated Protection Features: The device includes various protection features such as overvoltage protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under adverse conditions.

Applications

The MAX8739ETP+ is ideal for driving the backlight inverter of TFT LCDs found in a broad array of portable electronics. Its high level of integration and power management capabilities make it a go-to choice for engineers looking to optimize their power supply design.

Package and Availability

The device is available in a thin QFN package, which is lead(Pb)-free and RoHS compliant, minimizing the environmental impact and meeting regulatory requirements. The compact form factor of the QFN package allows for space-saving designs, crucial for modern portable electronics.

Conclusion

Maxim Integrated's MAX8739ETP+ stands out for its robust feature set, which includes a wide input voltage range, dual adjustable outputs, high-frequency operation, and comprehensive protection circuitry. This makes it an efficient and reliable solution for powering TFT LCDs in a multitude of portable applications.