The LM2798MM-2.0/NOPB is a high-quality, compact, integrated circuit designed and manufactured by Texas Instruments. This device is part of TI's extensive range of power management solutions, specifically tailored for mobile phones and other portable devices. The LM2798MM-2.0/NOPB is a dual-display white LED driver that offers a high level of efficiency and flexibility, making it an ideal choice for powering the backlight of small to medium-sized LCD displays.

Key Features

• Voltage Operation: The LM2798MM-2.0/NOPB operates with an input voltage range of 2.7V to 5.5V, making it compatible with a variety of power sources and battery technologies.
• Output Current: It is capable of driving up to 10 white LEDs with a total output current of 20mA, ensuring bright and consistent illumination for the display.
• Efficiency: The device employs a fractional charge pump to provide high efficiency over the input voltage range, which is essential for extending battery life in portable applications.
• Control: It features a 32-step exponential or linear brightness control, which allows for precise adjustment of the backlight brightness to suit different environmental conditions and user preferences.
• Protection: The LM2798MM-2.0/NOPB includes built-in over-voltage protection and a thermal shutdown feature to safeguard the device and the LEDs from potential damage due to excessive operating conditions.
• Packaging: This device is offered in a compact 10-pin MSOP (Micro Small Outline Package) that is suitable for space-constrained applications.

Applications

The LM2798MM-2.0/NOPB is designed primarily for driving white LEDs in dual-display applications, including:

• Mobile phones
• Smartphones
• Personal digital assistants (PDAs)
• Portable media players
• Other handheld devices

Environmental and Quality Certifications

The "NOPB" suffix in the part number indicates that this product is part of Texas Instruments' green initiative, signifying that it is lead-free (No Lead) and RoHS compliant. This reflects TI's commitment to environmental sustainability and ensures that the LM2798MM-2.0/NOPB meets the requirements of environmentally conscious manufacturers and regulations worldwide.