Product Overview: LTM4634IY from Analog Devices Inc.

The LTM4634IY is a high-performance, quad DC/DC step-down μModule (micromodule) regulator designed and manufactured by Analog Devices Inc. This compact and versatile power solution integrates four complete switch mode power supplies in a single package, making it an ideal choice for applications requiring multiple low voltage outputs with high efficiency and tight regulation.

Key Features

• Compact Design: The LTM4634IY comes in a compact 16mm x 16mm x 5.01mm BGA (ball grid array) package, which includes the inductors, power switches, DC/DC controller, and supporting components. This integration saves valuable board space and reduces the complexity of the design.
• Wide Input Voltage Range: It operates from a wide input voltage range of 4.5V to 16V, making it suitable for a variety of applications, from industrial to automotive systems.
• Adjustable Output Voltages: The module provides four adjustable outputs with a range from 0.6V to 5.5V, which can deliver up to 4A of continuous output current per channel, meeting the needs of modern digital circuits.
• High Efficiency: The LTM4634IY is designed for high efficiency at multiple output voltages and load conditions, ensuring minimal power loss and heat generation.
• Advanced Features: It includes features such as overvoltage and overcurrent protection, power good indicators, and tracking capability to sequence the startup of each output voltage.
• Thermal Performance: The package design and internal construction offer excellent thermal performance, which is critical for maintaining reliability and performance in thermally challenging environments.

Applications

The LTM4634IY is suitable for a wide range of applications, including:

• Telecommunication and networking equipment
• Industrial and automotive electronics
• Data storage and computing systems
• Medical devices and instrumentation

Overall, the LTM4634IY from Analog Devices Inc. is a powerful, space-saving solution for complex power supply requirements, offering precision, reliability, and ease of use for designers and engineers.