Powering High-Performance Applications with the LTM4655IYPBF DC/DC Module

The LTM4655IYPBF from Analog Devices is a high-efficiency, dual 25A or single 50A output step-down μModule® regulator. Designed for high-current, compact power solutions, this chip integrates inductors, MOSFETs, and supporting components into a small 16mm × 16mm × 5.01mm BGA package. Its advanced features make it ideal for FPGA, ASIC, GPU, and processor power delivery in demanding applications like data centers, telecommunications, and industrial systems.

Key Features of the LTM4655IYPBF

1. High Efficiency: With up to 95% efficiency, the LTM4655IYPBF minimizes power loss, reducing thermal challenges in high-density designs.

2. Wide Input Voltage Range: Supports 4.5V to 16V input, accommodating various power sources.

3. Precision Output Voltage: Adjustable from 0.6V to 5.5V with ±1.5% accuracy, ensuring stable power for sensitive loads.

4. Advanced Thermal Management: The BGA package enhances heat dissipation, critical for high-power applications.

5. Parallel Operation: Multiple LTM4655IYPBF units can be paralleled for higher current output, scaling up to 200A or more.

Applications of the LTM4655IYPBF

- Data Center Power Supplies: Delivers high-current, low-noise power to servers and storage systems.

- Telecom Infrastructure: Ensures reliable voltage regulation for 5G base stations and networking equipment.

- Industrial Automation: Powers robotics, PLCs, and motor drives with minimal footprint.

- Aerospace & Defense: Meets rugged performance requirements in harsh environments.

Design Considerations

When implementing the LTM4655IYPBF, engineers should focus on:

- PCB Layout Optimization: Proper grounding and thermal vias improve efficiency.

- Input/Output Filtering: Reduces EMI and ensures clean power delivery.

- Thermal Analysis: Monitor junction temperatures to prevent overheating.

Why Choose the LTM4655IYPBF?

This μModule regulator simplifies power design by eliminating the need for external components, reducing time-to-market. Its high power density and robust performance make it a top choice for engineers tackling space-constrained, high-current applications.

ICgoodFind’s Take: The LTM4655IYPBF stands out as a versatile, high-performance power solution, perfect for modern electronics demanding efficiency, reliability, and compactness.

Keywords: LTM4655IYPBF、DC/DC power module、high-current regulator、μModule regulator、FPGA power supply