LTM4638 (3)
The LTM4638 is available from Analog Devices at Xecor. Designed for high-efficiency step-down DC/DC conversion, the LTM4638 offers a complete 15A solution in a compact 6.25mm × 6.25mm × 5.02mm BGA package, featuring a wide input voltage range of 3.1V to 20V and an adjustable output voltage range of 0.6V to 5.5V. Available in a 49-BFBGA Module package, it is ideal for applications in telecom, datacom, networking, industrial equipment, medical diagnostic devices, data storage systems, and test and debug systems. Whether used in high-density power systems or portable devices, this series ensures reliable performance, precision (±1.5% output voltage error), and scalability for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTM4638 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTM4638EY#PBF | Efficiency and reliability in a small package | 49-Lead BGA | 6,691 | |
| LTM4638IY#PBF | 20VIN, 15A Step-Down DC/DC µModule Regulator | BFBGA-49 | 8,937 | |
| LTM4638IY | Module DC-DC 1-OUT 0.6V to 5.5V 15A 49-Pin BGA Tray | BFBGA-49 | 6,585 |
Key Featrues
Wide Input Voltage Range: With an input voltage range of 3.1V to 20V, the LTM4638 offers flexibility in various power supply scenarios. This wide range ensures compatibility with different power sources, improving efficiency and reliability in industrial and commercial equipment.
High Output Current: Capable of delivering up to 15A continuous output current, the LTM4638 is suitable for high-power applications. This high current capability enhances performance in data storage rack units, test and debug systems, and other high-demand environments.
Precision Output Voltage: The LTM4638 supports an output voltage range of 0.6V to 5.5V with ±1.5% maximum total DC output voltage error. This precision ensures stable and accurate power delivery, crucial for sensitive applications like medical diagnostic equipment and networking devices.
Integrated Components: The LTM4638 includes the switching controller, power FETs, inductor, and support components in a single package. This integration simplifies design and reduces external component count, improving efficiency and reducing overall system cost in various use cases.
Applications
Medical Diagnostic Equipment: The LTM4638 is well-suited for medical diagnostic devices, such as imaging systems and patient monitors, where stable and precise power delivery is essential. Its wide input voltage range and high output current capability ensure consistent operation, even in medical environments with fluctuating power requirements.
Data Storage Systems: The LTM4638 is perfect for powering data storage rack units and cards, such as SSDs and RAID controllers. Its high efficiency and compact form factor enable seamless integration into space-constrained storage systems, ensuring reliable power delivery for high-performance data processing and storage applications.
Test and Debug Systems: The LTM4638 is an excellent choice for test and debug systems, such as automated test equipment (ATE) and oscilloscopes. Its differential remote sensing and precise output voltage regulation ensure accurate power delivery, making it ideal for applications requiring high precision and repeatability in testing and measurement environments.
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