Circuit design of wide voltage input multi-output power supply for DVD players

Summary:

The LinkSwitch-CV multi-output power supply provides 7 W of continuous output power and 10 W of peak power. Typical applications include DVD players or set-top boxes that require multiple output flyback power supplies.

design feature

• Primary side control eliminates optocoupler and reduces component count
• Voltage regulation tolerance of ±5% at 5 V output with input voltage and load variation
• Multiple output power supply
• Excellent cross regulation for all outputs
• Extremely energy efficient
• Output power is 0.6 W at input power of 1 W
• Low no-load power consumption (< 130 mW at 230 VAC AC input)
• Compliant with CISPR-22/EN55022B conducted EMI limits, EMI margin >10dB
• Green package: halogen-free and RoHS compliant

Universal input, multi-output DVD player power circuit diagram

See the uploading documentation for details (click to download)

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