The Reign Power RP-4027S is a PC/104 power supply module engineered for embedded systems requiring stable, regulated power delivery in space-constrained industrial and mobile deployments. Built on the PC/104 form factor, this module integrates a UC3842AM current-mode PWM controller to manage power conversion efficiently. A single green LED provides operational status indication, enabling quick visual verification of supply state in system installations.
Technical Specifications
• Form Factor: PC/104
• Controller Architecture: UC3842AM Current Mode PWM Controller
• Status Indicator: 1 × Green LED
• Weight: Approximately 0.3 lbs
– Key Features
The UC3842AM controller delivers current-mode pulse-width modulation control, a topology widely used in compact power supply designs for tight regulation and transient response. The green LED provides immediate visual feedback without requiring external monitoring instrumentation. The module’s compact footprint makes it suitable for systems where board real estate is at a premium.
– Typical Applications
PC/104 power supply modules are deployed in embedded systems, industrial computers, ruggedized field instruments, and mobile computing platforms where standardized bus architecture and minimal physical envelope are required. This design supports multi-rail power architectures common in modular computing stacks.
– Compatibility & Integration
Full compatibility with PC/104 bus-based systems ensures straightforward integration into existing embedded platforms. The standard form factor allows direct stacking with complementary PC/104 modules, supporting expandable system architectures without external interconnects or interface adapters.

















