The LM2759 from Texas Instruments is a highly efficient, space-conscious power management integrated circuit that is designed to meet the demanding needs of modern portable electronics. This advanced switch-mode charge pump provides a stable power supply for devices that require high-efficiency white LED backlighting or other high-power applications.

Key Features

• Versatile Power Supply: The LM2759 can operate over a wide input voltage range from 2.7V to 5.5V, making it suitable for a variety of battery technologies and ensuring consistent performance across different charging states.
• High Efficiency: With its switch-mode charge pump design, the LM2759 achieves a high efficiency of up to 90%, significantly reducing power loss and heat generation, which is crucial for maintaining the longevity of electronic devices.
• Adjustable Output: The output voltage is adjustable, which allows designers to fine-tune the power supply to match the specific requirements of their application, ensuring optimal performance and energy usage.
• Low Profile: The device is offered in a low-profile, 14-pin thin QFN package, making it an ideal choice for space-constrained applications such as mobile phones, digital cameras, and other portable electronics.
• Protection Features: The LM2759 includes built-in overvoltage protection, current limiting, and thermal shutdown features to safeguard the device and the end application from potential damage due to abnormal operating conditions.

Applications

The LM2759 is well-suited for a range of applications that require high-efficiency, adjustable power supplies. It is particularly useful in:

• White LED backlighting for displays and keypads in mobile phones and handheld devices
• Organic LED (OLED) display power supply
• Power supply for audio amplifiers or other peripheral devices

With its combination of high efficiency, adjustable output, and compact form factor, the LM2759 from Texas Instruments is a robust power solution that enhances the performance and reliability of a wide array of portable electronic devices.