Technical manual for the Yaohua WDY XXSXX-1W series of isolated DC-DC converters, detailing specifications, input/output characteristics, and usage precautions.
This document is a technical manual for the Yaohua WDY XXSXX-1W series of DC-DC converters. These devices belong to the isolated constant-voltage input and constant-voltage output series, characterized by high efficiency, high precision, and good stability. They are suitable for digital signal processing circuits and analog circuits with little input voltage variation, particularly those requiring high voltage stability and low noise sensitivity. This manual is written in Chinese.
| Insulation Strength | 1000VDC |
|---|---|
| Insulation Resistance | 1000MΩ minimum |
| Operating Temperature | -40℃ ~ 85℃ |
| Storage Temperature | -40℃ ~ 125℃ |
| Cooling Method | Natural Air Cooling |
| Maximum Input Voltage | Vin + 25% |
| Full Load Output Power | 1W |
| Output Voltage Accuracy | ±2% (±1%) |
| Linear Voltage Regulation Rate | 0.5% max |
| Load Regulation | 0.5% max |
| Temperature Drift Coefficient | 0.02%/℃ typical |
| Ripple and Noise | 20mVp-p max (20MHz bandwidth) |
| Full Load Efficiency | 70% typical (±5%) |
It is recommended that the load be between 30% and 80% of full load for best performance.
Yes, the output terminal has a short-circuit protection function (self-recovery).
No, external capacitors or inductors are generally not required to meet user needs.