LT1947EMSE - Dual Display Power Supply IC

The LT1947EMSE is a versatile dual display power supply integrated circuit (IC) designed and manufactured by Linear Technology. It is specifically engineered to cater to the power requirements of TFT LCD displays. The LT1947EMSE features a wide input voltage range and dual outputs, making it an ideal choice for portable battery-powered devices as well as for automotive and industrial display applications.

Key Features:

• Wide Input Voltage Range: The LT1947EMSE operates efficiently over a broad input voltage range, accommodating various power sources.
• Dual Outputs: It provides two regulated outputs, one positive and one negative, which are essential for driving the source and gate drivers within TFT LCD panels.
• High Frequency Operation: The device operates at a high switching frequency, which allows for the use of small, low-cost capacitors and inductors, reducing overall solution size and cost.
• Integrated Boost and Inverting Converters: The IC includes a boost converter for generating the positive supply voltage and an inverting converter for the negative supply, simplifying the design process and minimizing external component count.
• Adjustable Outputs: The output voltages are adjustable, providing design flexibility to match the requirements of various display panels.
• Thermal Protection: It features built-in thermal protection, ensuring reliable operation under varying environmental conditions.
• Low Profile Package: The LT1947EMSE is available in a low profile (0.75mm) 16-lead MSOP package, suitable for compact electronic assemblies.

Applications:

The LT1947EMSE is particularly suited for driving the power supply sections of TFT LCD panels in a diverse range of applications, including:

• Notebook Computers
• Portable Monitors
• Automotive Navigation Systems
• Industrial Displays

With its robust feature set and compact design, the LT1947EMSE is a highly efficient solution for advanced display technologies requiring dual power supplies. Its reliability and versatility make it a preferred choice for designers looking to enhance the performance of their display systems.