The LMR61428XMM/NOPB is a versatile, high-performance step-up DC/DC converter from Texas Instruments, designed to meet the demands of a wide range of power supply applications. This compact and efficient power management IC is capable of delivering an adjustable output voltage that can be set above the input voltage, making it perfect for applications that require a higher operating voltage than what is available from the power source.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 1.8V to 5.5V, accommodating a variety of power sources from single-cell batteries to USB power and more.
• Adjustable Output Voltage: The output voltage is adjustable from 2.8V to 18V, providing the flexibility needed for a broad spectrum of applications.
• High Efficiency: With an efficiency of up to 95%, the LMR61428XMM/NOPB minimizes power loss and heat generation, making it suitable for portable and space-constrained designs.
• High Output Current: It is capable of delivering up to 2.8A of output current, ensuring reliable performance for high-power applications.
• Integrated Switch: The device includes a 4A, 0.13 Ohm N-Channel MOSFET switch, which contributes to its high efficiency and reduces the need for external components.
• Thermal Shutdown: The built-in thermal shutdown feature protects the device from overheating, enhancing system reliability and longevity.
• Frequency Synchronization: It offers frequency synchronization to an external clock, which can help reduce noise and interference in sensitive applications.

Applications

The LMR61428XMM/NOPB is ideal for a diverse range of applications, including but not limited to:

• Battery-powered equipment
• Portable media players
• Wireless and DSL modems
• Handheld devices
• Power banks
• LED lighting

Package and Quality

This device is offered in a small 10-pin MSOP PowerPAD™ package, which is designed for enhanced thermal performance. The LMR61428XMM/NOPB is also part of Texas Instruments' NOPB (lead-free) series, reflecting the company's commitment to environmentally friendly manufacturing practices.