STEVAL-ISA211V1

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100 W, ultra-wide range flyback converter based on L6566BH

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1$153.120%
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$153.13
Parameter NameParameter Value
Operating RangeIndustrial
Core ProductSTEVAL-ISA211V1
Input Voltage Min Volt230.0
Input Voltage Max Volt690.0
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD

The STEVAL-ISA211V1 flyback converter is designed for industrial or photovoltaic sectors to be used as an auxiliary power supply.


The 24 V/100 W output with reinforced isolation can be used in several applications. The input voltage range starts from standard Europe voltage (230 VAC) and ends at 690 VAC or 1 kVDC. For short-time periods or lower output power, the converter can operate with voltage decreased down to 150 VDC.


The STEVAL-ISA211V1 is based on the L6566BH multi-mode controller and STW12N170K5 1700 V MDmesh K5 Power MOSFET, in one-switch Flyback topology with isolated output.


L6566BH integrates 840 V high voltage startup which is boosted by the STD1NK60T4 Power MOSFET up to 1 kV.


The converter operates in fixed-frequency mode but it can be easily set to quasi-resonant mode by changing one resistor.

Key features
  • Wide input voltage range:
    • 230 to 690 VAC
    • 250 to 1000 VDC
  • Output 24 V/100 W
  • Short time undervoltage (long time for 50 W output) down to 150 VDC/180 VAC
  • Selectable fixed-frequency or quasi-resonant operation
  • Embedded 1 kV high voltage startup
  • Modified soft-start circuit
  • Optional brownout protection
  • RoHS compliant
Associated Products