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

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM

MOS power IC full range

Photocoupler

Summary:

working principle

The TinySwitch-PK multi-output power supply as shown can provide 7.5W of continuous output power and 13W of peak power. Typical applications include DVD players or set-top boxes, which all require the use of multiple output flyback power supplies.

design feature

• Multiple output power supply
• Excellent cross voltage regulation
• Two-way output weighted regulation
• Extremely energy efficient
• Output power is 0.6 W at input power of 1 W
• Low no-load power consumption (< 150 mW at 230 VAC AC input)
• Meets CEC/Energy Star 2008 requirements for load efficiency (required 68.1%, actual 77.7%)
• Compliant with CISPR-22/EN55022B conducted EMI limits, EMI margin >10 dBmV
• Automatic restart function allows unlimited short-circuit output

See the PDF document for details (click on the PDF file to download)