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STEVAL-ISA140V1

15W, 12V output, isolated flyback converter using VIPer™ Plus - VIPER37HE

Target ApplicationFlyback Converter
Core ProductVIPER37
Input Voltage Min Volt85.0
Input Voltage Max Volt265.0
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD

The STEVAL-ISA140V1 is a 15 W wide range evaluation board based on the Viper37HE. It is designed as an example of an isolated auxiliary power supply.


The board and the transformer were designed and optimized in order to have a very compact size evaluation board.

Key features
  • AC Main Input voltage range: 100 VACto 265 VAC
  • Mains frequency (fL): 50 Hz / 60 Hz
  • Output voltage typ: 12 V
  • Output current: 1.25 A
  • Output ripple voltage: 50 mV
  • Rated output power: 15 W
  • Input power in standby @230 VAC: 50 mW
  • Active mode efficiency: 78%
  • Ambient operating temperature: 60 °C
  • RoHS compliant
In stock
Quantity $ per unit Savings
1$67.380%
Contact sales
$67.38
$67.38
Target ApplicationFlyback Converter
Core ProductVIPER37
Input Voltage Min Volt85.0
Input Voltage Max Volt265.0
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD

The STEVAL-ISA140V1 is a 15 W wide range evaluation board based on the Viper37HE. It is designed as an example of an isolated auxiliary power supply.


The board and the transformer were designed and optimized in order to have a very compact size evaluation board.

Key features
  • AC Main Input voltage range: 100 VACto 265 VAC
  • Mains frequency (fL): 50 Hz / 60 Hz
  • Output voltage typ: 12 V
  • Output current: 1.25 A
  • Output ripple voltage: 50 mV
  • Rated output power: 15 W
  • Input power in standby @230 VAC: 50 mW
  • Active mode efficiency: 78%
  • Ambient operating temperature: 60 °C
  • RoHS compliant
Associated products