**Technical Data Sheet: LTM4644IY Dual 15A or Single 30A μModule (Power Module) Regulator**
**Overview**
The LTM4644IY is a highly integrated, dual-output DC/DC μModule (power module) regulator from Analog Devices. This innovative device combines two independent, high-efficiency DC/DC converters into a single, compact package, offering designers a space-saving and cost-effective solution for powering complex systems requiring multiple voltage rails. The LTM4644IY is specifically designed for applications where high current, tight regulation, and low noise are critical.
**Core Features**
- **Dual or Single Output Configuration**: Capable of operating as two independent 15A DC/DC converters or configured in parallel to deliver a single 30A output. This flexibility allows for maximum design versatility.
- **High Efficiency**: Utilizes advanced switching topology to achieve high efficiency levels, reducing power loss and heat generation, making it ideal for thermally constrained environments.
- **Wide Input Voltage Range**: Supports an input voltage range of 4.5V to 18V, enabling compatibility with a wide variety of power sources.
- **Output Voltage Adjustability**: Both outputs are fully adjustable, allowing for precise voltage regulation to meet the specific requirements of your application.
- **Tight Regulation and Low Noise**: Provides tight output voltage regulation and low output noise, ensuring clean and stable power for sensitive loads.
- **Compact Footprint**: The LTM4644IY's μModule packaging offers a significantly smaller footprint compared to discrete solutions, reducing board space requirements and simplifying design layouts.
- **Advanced Protection Features**: Incorporates overvoltage protection, overcurrent protection, and thermal shutdown to protect the device and downstream components from damage.
**Applications**
- **Telecommunications**: Ideal for powering high-performance telecom equipment, including base stations, routers, and switches.
- **Data Centers**: Suitable for powering servers, storage systems, and networking equipment in data center environments.
- **Industrial Automation**: Can be used in industrial automation systems, including PLCs, motors, and sensors, where reliable and efficient power is crucial.
- **Test and Measurement Equipment**: Perfect for powering test and measurement instruments that require multiple, precisely regulated voltage rails.
- **Medical Electronics**: Suitable for portable medical devices and instruments that demand high reliability and low noise power.
**Integration and Design Considerations**
The LTM4644IY's μModule packaging simplifies integration into existing systems, reducing design complexity and accelerating time-to-market. Designers can easily configure the device using external resistors to set the desired output voltages. Additionally, the LTM4644IY offers a variety of optional features, such as synchronization and soft-start, that can be implemented through simple connections to external pins.
**Conclusion**
The LTM4644IY is a powerful and versatile dual-output μModule regulator that offers high efficiency, tight regulation, and low noise in a compact package. Its ability to operate as either two independent 15A converters or a single 30A converter provides maximum design flexibility. With its advanced protection features and ease of integration, the LTM4644IY is an excellent choice for powering complex systems in a wide range of applications, including telecommunications, data centers, industrial automation, test and measurement equipment, and medical electronics.
