QS4E_1218S3U – GAPTEC

The QS4E_1218S3U is a compact, isolated DC-DC converter module designed for point-of-load applications requiring a stable and isolated 18V output. This module accepts a nominal 12V input (10.8V to 13.2V range, ±10% tolerance). It delivers a regulated 18V DC output at 13.8mA, providing a maximum output power of 0.25W. Isolation is implemented to enhance system safety and reduce ground loop issues. The converter employs efficient switching topology, achieving a typical efficiency of 76%. This module is engineered for robust performance across a wide operating temperature range of -40°C to +85°C, making it suitable for demanding industrial environments. Internal protection features include short-circuit protection and over-temperature protection, ensuring reliable operation. The module’s compact form factor facilitates easy integration into space-constrained applications.