PeakSwitch™ (PKS606Y) is a high power density, high reliability, high efficiency and low noise 32 W/81 W peak supply, suitable for printers, DVRs, audio and general purpose applications.
This report describes the EP-93 universal‑input power supply, a 90‑265 VAC input design delivering 30 V at up to 2.7 A peak. It is intended as a general‑purpose evaluation platform for PeakSwitch, suitable for printers, audio amplifiers, DVRs and DC motor drives.
The document includes full specifications, schematic diagrams, PCB layout guidance, transformer details, bill of materials, performance measurements, thermal data and compliance information such as EMI and safety standards.
| Input Voltage | 90‑265 VAC |
|---|---|
| Continuous Output Power | 32 W |
| Peak Output Power | 81 W |
| Output Current (peak) | 2.71 A |
| Full‑Load Efficiency | 82 % |
| No‑Load Input Power | 0.2 W |
| EMI Compliance | Meets CISPR‑22B / EN55022 |
| Safety Standard | UL1950 |
| Ambient Temperature Range | 0‑50 °C |
The EP-93 accepts an input voltage from 90 VAC to 265 VAC.
Yes, it meets CISPR‑22B / EN55022 conducted EMI limits.
The design is intended to meet UL1950 safety requirements.