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STEVAL-ISA129V1

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16 V-280 mA non isolated off-line high voltage converter based on the VIPer16H

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1 - 2$63.700%
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$63.70
Parameter NameParameter Value
Target ApplicationAC-DC Topologies
Core ProductVIPER16HN
Input Voltage Min Volt85.0
Input Voltage Max Volt265.0
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameCARD

The STEVAL-ISA129V1 demonstration board is a 16 V - 280 mA application set in non isolated flyback topology using the VIPer16, a new off-line high voltage converter by STMicroelectronics.


The VIPer16 features an 800 V avalanche rugged power section, PWM operation at 115 kHz with frequency jittering for lower EMI, limiting current with adjustable set point, on-board soft-start, and safe auto-restart after a fault condition.


Moreover, the VIPer16 can work with or without the auxiliary winding. In the former case, it can reach very low standby consumption (< 50 mW at 265 Vac), while in the latter the IC is supplied by an internal current generator, thus eliminating the cost of the transformer auxiliary winding.

Key features
  • Input voltage range VIN: 90 VRMS - 265 VRMS
  • Output voltage VOUT: 16 V
  • Max output current IOUT: 0.28 A
  • Precision of output regulation VOUT_LF: ±5%
  • High frequency output voltage ripple VOUT_HF: 50 mV
  • Max ambient operating temperature TA: 60 °C
  • RoHS compliant