Key facts
- Brand
- yaohua
- Model
- WDY XXSXX-1W
- Category
- DC/DC Converter
- Industry
- Electronics
- Documents
- 3
- Languages
- ZH
- Last added
- 2026-10-24
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Yaohua WDY XXSXX-1W Series DC-DC Converter Technical Manual
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.
Read onlineYaohua WDY XXSXX-1W specifications
| 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%) |
Source: Yaohua WDY XXSXX-1W Series DC-DC Converter Technical Manual
All Yaohua WDY XXSXX-1W documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
What is the recommended load range for long-term use?
It is recommended that the load be between 30% and 80% of full load for best performance.
From: Yaohua WDY XXSXX-1W Series DC-DC Converter Technical Manual
Does the module have short-circuit protection?
Yes, the output terminal has a short-circuit protection function (self-recovery).
From: Yaohua WDY XXSXX-1W Series DC-DC Converter Technical Manual
What should be done to protect against polarity reversal?
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.
Does the converter provide short‑circuit protection?
Yes, the output stage includes a self‑recovering short‑circuit protection function.
From: Yaohua WDY XXSXX-1W Series DC-DC Converter Service Manual
What is the insulation strength of the module?
The module is rated for 1000 V DC insulation strength.
From: Yaohua WDY XXSXX-1W Series DC-DC Converter Service Manual