Reference Designs
Universal Input to 15V@400mA PSR Non-Isolated Flyback with Integrated 700V Switch Reference Design
Texas Instruments
A quasi-resonant non-isolated Flyback supplies 15V @ 400mA from universal input voltage (90Vac to 265Vac). A LC filter has been added on input terminals to comply with CENELEC EN50065-1 regulations and make this power supply suitable for Power Line Communication. The efficiency curve value remains almost flat (72% to 85%) in the power range of 10%...100% and in the whole input voltage range.
Features
- Simple non-isolated PSR flyback converter with integrated 700V FETCompact solution (28.4mm x 67.4mm) supplies 6W with almost flat efficiency from 50mA to 400mA load (72%...85%)Good output voltage regulation versus load: +/-5% in the whole temperature rangeVery low noise solution: suitable for PLC applications: complying with CENELEC EN50065-1
Applications
- Electricity meter
- Power quality analyzer
- Residential breakers
- Surgical equipment
- Appliances: compressor
- Medical chair & table
- Air purifier & humidifier
- Circuit breaker (ACB
- MCCB
- VCB)
- Power quality meter
- Operation tables
- Dental chairs
End Equipment Reference Diagrams
Application Area
End Equipment
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