This document is the user manual of PS12W5T12T24TS-EVB and PS8W5T12T24TU-EVB evaluation board
The document describes two three‑output evaluation boards, PS12W5T12T24TS‑EVB and PS8W5T12T24TU‑EVB, which are reference designs based on the NCP1014 chip. They are intended for performance evaluation and as a reference for multi‑output power supply designs.
Technical specifications such as input voltage range, output power, voltage, current limits, ripple, operating temperature and typical efficiency are listed, together with PCB layout, schematic diagrams and load‑characteristic curves. Recommended test equipment and connection diagrams are also included. This manual is written in Chinese.
| PS12W5T12T24TS‑EVB Rated Input Voltage | 16 VAC – 26 VAC |
|---|---|
| PS12W5T12T24TS‑EVB Rated Output Power | 12 W |
| PS12W5T12T24TS‑EVB Rated Output Currents | 5 V 50‑1000 mA, 12 V 0‑400 mA, 24 V 0‑200 mA |
| PS12W5T12T24TS‑EVB Output Ripple (5 V) | < 30 mV |
| PS12W5T12T24TS‑EVB Typical Efficiency | ≈ 80 % |
| PS8W5T12T24TU‑EVB Rated Input Voltage | 8 VAC – 26 VAC |
| PS8W5T12T24TU‑EVB Rated Output Power | 8 W |
| PS8W5T12T24TU‑EVB Typical Efficiency | ≈ 80 % |
The PS12W5T12T24TS‑EVB accepts an input voltage from 16 VAC to 26 VAC.
Both boards achieve a typical conversion efficiency of about 80 %.
The 5 V output ripple is specified to be less than 30 mV.
Recommended test equipment includes a 4½‑digit multimeter, a sliding rheostat, a test board, an AC variable power supply, and a dual‑channel oscilloscope.