## Summary of the Document:

This document is a preliminary datasheet for the GS-RXXX12 series of DC-DC power modules manufactured by STMicroelectronics. These modules are designed to convert a wide input voltage (100-370Vdc) to a fixed -12Vdc output, with different power ratings available: 1.8W, 4.5W, and 12W.

Key features and information contained in the document:

️· Application: The modules are intended for various applications requiring a stable -12Vdc supply.
️· Electrical Characteristics: The datasheet provides detailed electrical specifications including input voltage range, output voltage, output current, output ripple, efficiency, and inrush current.
️· Mechanical Dimensions: Figures and tables outline the mechanical dimensions for each power rating (1.8W, 4.5W, and 12W).
️· Operating/Storage Temperatures: The datasheet specifies the operating and storage temperature ranges.
️· Safety & Compliance: The document notes that the user is responsible for ensuring compliance with safety and EMI standards.
️· Revision History: Includes a table for tracking revisions to the datasheet.
️· Preliminary Status: The document clearly states it is preliminary information, subject to change.



In essence, this document provides the initial technical details needed by engineers to evaluate and potentially integrate the GS-RXXX12 power modules into their designs.