This document introduces the features and characteristics of the Yaohua WDY series products. These products have high efficiency, high accuracy, and good stability performance. They are suitable for digital signal processing circuits and analog circuits with small input voltage variations. The series is also suitable for circuits with high voltage stability requirements and circuits sensitive to noise. The document also provides general characteristics, input characteristics, and output characteristics of the series products.
The WDYXXSX-1W series DC‑DC converters are designed for digital signal processing circuits and applications requiring high voltage stability and low noise. The converters offer high efficiency, precise regulation, and robust performance across a wide input voltage range.
The manual provides detailed specifications such as input/output voltage types, insulation strength, operating temperature, and recommended load conditions. It also includes safety notes, short‑circuit protection guidance, and recommendations for parallel operation and ripple reduction. This manual is written in Chinese.
| Input voltage types | 5 V, 12 V, 15 V, 24 V DC |
|---|---|
| Input voltage tolerance | Vin ±5% (Vin ±10% max) |
| Insulation strength | 1000 V DC |
| Insulation resistance (min) | 1000 MΩ |
| Storage humidity | ≤ 95 % |
| Operating temperature range | -40 °C ~ 85 °C |
| Cooling method | Natural air cooling |
| MTBF (mean time between failures) | > 800 k hours |
| Typical efficiency at full load | 70 % |
The module does not provide built‑in polarity protection; a series Schottky diode with voltage and current ratings exceeding the module’s maximum input should be added.