Summary:
Power supplies for cordless phones or answering devices typically require a 10 kV common mode lightning strike to prevent lightning from damaging the telephone network. The design meets this requirement and has the advantage of being simple and low cost.
design feature
- CV/CC solution with simple design, low cost and few component counts
- Low no-load power consumption, no-load power consumption <180 mW at 265 VAC input
- Significantly improved adjustment rate compared to power frequency linear transformers
- Meet CEC/Energy Star efficiency requirements for on-load mode of operation (63% vs.
- 53% of the requirements)
- Small, low-cost EE16 core for compact design
- EMI margin >15 dBμV compared to EN55022B conducted EMI limits
- No Y capacitor: power frequency leakage current <10 μA
- Meets 10 kV common mode and 2 kV differential mode surge (EN 1000-4-5 Class 4)
Replace the LNK562PN schematic of the linear adapter
See the uploading documentation for details (click to download)
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