The LTM4644EY#PBF is a part number for the LTM4644EY, which is a complete, high-efficiency, quad-output DC/DC µModule® (power module) regulator manufactured by Linear Technology (now part of Analog Devices). The LTM4644EY integrates all the necessary components, including power switches, inductors, control circuitry, and compensation components, into a compact and thermally efficient package.
Here are some key features and specifications of the LTM4644EY#PBF:
1. Quad-Output DC/DC Converter: The LTM4644EY provides four independent output channels, each with its own buck regulator, allowing for multiple voltage rails to be generated from a single module.
2. Wide Input Voltage Range: The module accepts an input voltage range from 4.5V to 20V, making it compatible with a variety of power sources.
3. High Efficiency: The LTM4644EY is designed for high-efficiency power conversion, helping to minimize power loss and maximize overall energy conversion efficiency.
4. Compact and Thermally Efficient Package: The module is housed in a small footprint, surface-mount LGA (Land Grid Array) package, which facilitates easy integration onto a PCB and provides excellent thermal performance.
5. Output Voltage Range: The LTM4644EY supports a wide range of output voltages, which can be programmed using external resistors or by using the module's pin-strap configuration options.
6. Protection Features: The module incorporates various protection features, including overcurrent protection, overvoltage protection, and thermal shutdown, ensuring safe and reliable operation.
7. Package Type: The "EY#PBF" suffix in the part number refers to the package type, which is a compact LGA (Land Grid Array) package.
The LTM4644EY#PBF is commonly used in various applications, including telecommunications equipment, industrial systems, medical devices, and other applications where multiple, regulated voltage rails are required in a compact and efficient form factor.
For detailed electrical characteristics, application information, and design considerations, it is recommended to refer to the datasheet provided by Analog Devices for the LTM4644EY power module. The datasheet will provide comprehensive information to help you understand and utilize the module effectively in your specific application.
