The LTM4644IY-1#PBF is a high-performance, quad DC/DC μModule (micromodule) regulator designed by Linear Technology, now part of Analog Devices. This compact and efficient power management solution integrates four independent DC/DC converters into a single package, making it an ideal choice for applications requiring multiple regulated voltages with limited board space.

Key Features

• Integrated Solution: Combining four complete switch mode power supplies in one package, the LTM4644IY-1#PBF includes inductors, power switches, and all supporting components, minimizing the need for additional external circuitry.
• Wide Input Voltage Range: It operates from a 4V to 14V input voltage range, making it versatile for various applications, from automotive to industrial systems.
• Adjustable Output Voltage: Each output is capable of delivering up to 4A of continuous current with an adjustable output voltage range from 0.6V to 5.5V, suitable for powering a wide array of low-voltage ICs.
• High Efficiency: The high efficiency of the LTM4644IY-1#PBF reduces power loss and heat dissipation, which is critical in thermally challenged environments.
• Advanced Packaging: The device is offered in a compact (15mm × 15mm × 5.01mm) over-molded Ball Grid Array (BGA) package that provides enhanced thermal performance and saves board space.

Applications

The LTM4644IY-1#PBF is suitable for a wide range of applications, including:

• Telecommunications infrastructure
• Datacom and storage systems
• Industrial equipment
• Medical devices
• Military and aerospace electronics

Quality and Reliability

Linear Technology's commitment to quality and reliability is evident in the LTM4644IY-1#PBF, which is designed to meet the stringent requirements of complex and critical systems. Its robust design ensures consistent performance and longevity, making it a reliable choice for designers and engineers.