LTM4644MPY

The LTM4644MPY is a DC/DC step-down µModule regulator from Analog Devices. It integrates four high-efficiency switching-mode buck regulators in a small, thermally enhanced package. Each regulator can deliver up to 4A of continuous output current, and they can be paralleled for higher current output. The device operates from an input voltage range of 4V to 20V, making it versatile for various applications, including telecom, networking, and industrial equipment.
Key features include a high switching frequency up to 3MHz, which allows the use of smaller inductors and capacitors. It also supports output voltage tracking and sequencing, aiding in complex power system designs. The module is equipped with protection features like overcurrent, overvoltage, and thermal shutdown to ensure reliable operation.
The LTM4644MPY comes in a compact BGA package with a built-in heat sink, enabling efficient thermal management. Its integration and ease of use significantly reduce design time and complexity, making it suitable for space-constrained and high-performance applications.

The LTM4644MPY is a quad-output step-down μModule regulator. Equivalent products include:
1. LTM4644 (standard version, non-MPY variant)
2. LTM4630 - dual 18A output DC/DC step-down μModule regulator
3. LTM4616 - dual 8A or single 16A DC/DC μModule regulator
4. LTM4648 - dual 10A step-down μModule regulator
These alternatives vary slightly in features and specifications, so ensure compatibility with your specific application requirements.

The LTM4644MPY is a high-performance quad-output step-down power module. It features four independent 4A outputs, capable of delivering up to 4A per channel. The module operates with an input voltage range of 4V to 14V and delivers output voltages ranging from 0.6V to 3.3V. Key features include high efficiency, fast transient response, and high power density in a compact package, making it suitable for space-constrained applications. The module includes integrated switching regulators, inductors, and support components, simplifying the design process and reducing the need for external components. Additionally, the LTM4644MPY supports ±1.5% maximum total DC output error over line, load, and temperature and features soft-start capability, output voltage tracking, and protection features such as overcurrent and overtemperature protection. The compact design and robust performance make it ideal for various applications, including telecommunications, data communications, and industrial equipment.

The LTM4644MPY is a quad output step-down µModule regulator. It is designed to deliver up to 4 A of output current per channel with high efficiency and low output voltage ripple. The LTM4644MPY is housed in a compact package that includes the inductor, power MOSFETs, and support components, making it easy to integrate into designs.
In terms of pin count, the LTM4644MPY comes in a 96-ball BGA package with dimensions of 9 mm x 15 mm x 5.01 mm. The pins/balls are arranged in a grid, and they include input/output voltage connections, control pins, and ground connections, among others. Key functions accessible through the pins include enabling/disabling the device, frequency synchronization, power good indicators, and voltage feedback for regulation purposes.
This module is suitable for applications needing multiple regulated outputs like communications, data storage, industrial, and medical equipment. Its integration and high efficiency make it an excellent choice for space-constrained and power-sensitive applications.

The LTM4644MPY is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are used in various industries, including industrial, automotive, communications, healthcare, and consumer electronics. The company is known for its expertise in high-performance analog technology and offers solutions for signal processing and power management.

The LTM4644MPY is a quad-output step-down DC/DC power module designed for applications requiring multiple, tightly regulated power rails. It is particularly suitable for high-performance computing systems, telecommunications, networking equipment, and industrial systems. The module's compact design, high efficiency, and ability to deliver up to 4A per channel make it ideal for powering FPGAs, ASICs, microprocessors, and other digital ICs. Its wide input voltage range and precise output voltage regulation cater to various power supply requirements in complex electronic systems. Additionally, its robust features, such as overcurrent and overtemperature protection, enhance reliability in critical applications.

The LTM4644MPY is a micro-module regulator that typically comes in a compact Ball Grid Array (BGA) package. This package type is designed to optimize thermal performance and space efficiency, making it suitable for high-density applications.