The LT1944EMS#PBF is a versatile dual micropower DC/DC converter from Linear Technology designed to provide efficient power management solutions for a wide range of applications. This integrated circuit features two independent DC/DC converters in a compact 10-lead MSOP package, making it an ideal choice for space-constrained applications.

Key Features

• Wide Input Voltage Range: The LT1944EMS#PBF can operate from an input voltage range of 2.6V to 16V, accommodating a variety of power sources including single-cell Li-Ion batteries and fixed 3.3V, 5V, or 12V power rails.
• Dual Independent Outputs: It provides two independent output voltages that can be set with external resistors. This flexibility allows designers to power different components of a system with a single IC.
• High Efficiency: The device achieves high efficiency, which is essential for portable and battery-powered applications, thereby extending the battery life.
• Adjustable Switching Frequency: The switching frequency can be programmed up to 1MHz, allowing the use of small, low-cost capacitors and inductors.
• Low Quiescent Current: It features a low quiescent current of 25μA per channel, further enhancing its suitability for battery-powered applications.
• Integrated Soft-Start Function: This minimizes inrush current during startup, providing a smooth power-up sequence for sensitive electronic components.

Applications

The LT1944EMS#PBF is designed for use in a multitude of applications, including but not limited to:

• Portable and battery-powered equipment
• Handheld medical devices
• Wireless modems and network cards
• GPS receivers
• Point-of-sale terminals

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LT1944EMS#PBF is no exception. It is designed to meet high standards of reliability and performance, ensuring stable operation over its specified temperature range and longevity in demanding environments.

Ordering Information

The product is available in an MSOP-10 package and is specified for operation from -40°C to 85°C temperature range. The part number LT1944EMS#PBF indicates the lead-free, RoHS-compliant version of the device.