This document describes the features and characteristics of the EVL250W-ATX80PL 250 W ATX SMPS demonstration board, including input voltage range, output voltage and current, standby power consumption, protection functions, PCB type and size, as well as safety and EMI certification.
The EVL250W-ATX80PL is a 250 W power supply unit demonstration board that implements an ATX-like or server-like design. It features a PFC front-end stage, an asymmetrical half bridge stage, DC-DC post-regulator stages for multiple outputs, and an auxiliary stand-by power supply.
| Input mains range (Vin) | 88 ~ 264 Vrms |
|---|---|
| Frequency | 45 ~ 66 Hz |
| +12 V Output | 412 Vde+2%-13.5A |
| +5 V Output | +5 Vdce+2%-12A |
| +3.3 V Output | 43.3 Vde +2%-8A |
| +5 V Stand-by Output | +5 Vstby + 2%-2A |
| Stand-by consumption | < 0.2 W |
| PCB Size | 148x120 mm |
The board accepts an input voltage ranging from 88 to 264 Vrms.
The board uses an FR4 double-sided copper PCB measuring 148x120 mm.