The LT1944EMS is a versatile and compact dual switching regulator from Linear Technology, designed to provide efficient power management for a wide range of applications. This high-performance integrated circuit is engineered to deliver continuous output currents up to 1.2A for each channel, with independent input voltage ranges that make it suitable for battery-powered and automotive devices, as well as industrial and portable electronics.

Key Features:

• Dual Independent Outputs: The LT1944EMS features two independent DC/DC converters, which can be configured as two step-down or one step-down and one inverting regulator, providing design flexibility for various power supply architectures.
• Wide Input Voltage Range: With an input voltage range from 2.6V to 16V, it can accommodate multiple power sources, including single-cell Li-Ion batteries, multi-cell alkaline/NiMH batteries, and regulated 5V and 12V rails.
• Adjustable Switching Frequency: Users can set the switching frequency anywhere from 300kHz to 2.2MHz, allowing for optimization between efficiency and external component size.
• High Efficiency: The LT1944EMS offers up to 94% efficiency, which reduces power loss and heat generation, extending battery life and improving system reliability.
• Low Shutdown Current: It features a low shutdown current of less than 1µA, which is excellent for battery-powered applications where conserving power is crucial.

Applications:

• Portable and battery-powered devices
• Automotive power systems
• Industrial power supplies
• Point of load power conversions
• Distributed power systems

The LT1944EMS is enclosed in a compact 10-lead MSOP package, which is ideal for space-constrained applications. Its robust design includes features such as internal soft-start, a power good flag, and independent shutdown functions that ensure smooth operation and ease of integration into complex systems. With its comprehensive protection features, including over-temperature and current limit protection, the LT1944EMS is a reliable choice for designers seeking a dual output, high-efficiency power solution.