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EVAL-STCH03-45W

45W / 12V power supply based on STCH03 QR flyback controller and SRK1000B adaptive synchronous rectification controller

Target ApplicationPower Supplies by Application
Core ProductSTCH03
Input Voltage Min Volt90.0
Input Voltage Max Volt265.0
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack1
GradeIndustrial
Package NameCARD

The EVAL-STCH03-45W is a 45 W / 12 V isolated power supply developed for general purpose applications. The evaluation board implements a Quasi Resonant flyback converter based on the STCH03 controller with optocoupler feedback for voltage and primary side regulation for constant output current...
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Key features
  • Input voltage range VIN: 90 VAC to 265 VAC
  • Output range: 12 V - 3.75 A continuous operation
  • Very low stand-by power: < 40 mW @ 230 Vin
  • Average full load efficiency:
    • > 88% @ 115 VIN
    • > 89% @ 230 VIN
  • Active mode at 10% load efficiency:
    • > 84% @ 115 VIN
    • > 82% @ 230 VIN
  • Active mode at 10% load efficiency: > 84% @ 115 VIN > 82% @ 230 VIN
  • Safety: Acc. to EN60065
  • EMI: Acc. to EN55022 - Class B
  • Small PCB form factor: 85 x 55 X 25 mm
In stock
Quantity $ per unit Savings
1-2$157.340%
Contact sales
$157.34
$157.34
Target ApplicationPower Supplies by Application
Core ProductSTCH03
Input Voltage Min Volt90.0
Input Voltage Max Volt265.0
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack1
GradeIndustrial
Package NameCARD

The EVAL-STCH03-45W is a 45 W / 12 V isolated power supply developed for general purpose applications. The evaluation board implements a Quasi Resonant flyback converter based on the STCH03 controller with optocoupler feedback for voltage and primary side regulation for constant output current...
Read More

Key features
  • Input voltage range VIN: 90 VAC to 265 VAC
  • Output range: 12 V - 3.75 A continuous operation
  • Very low stand-by power: < 40 mW @ 230 Vin
  • Average full load efficiency:
    • > 88% @ 115 VIN
    • > 89% @ 230 VIN
  • Active mode at 10% load efficiency:
    • > 84% @ 115 VIN
    • > 82% @ 230 VIN
  • Active mode at 10% load efficiency: > 84% @ 115 VIN > 82% @ 230 VIN
  • Safety: Acc. to EN60065
  • EMI: Acc. to EN55022 - Class B
  • Small PCB form factor: 85 x 55 X 25 mm