ST Life.augmented


Wide range (90 V - 265 V) input, 5 V - 12 W output demonstration board with improved standby performance based on VIPER27LN
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The STEVAL-ISA103V1 is a wide range input demonstration board based on the VIPER27LN and suitable for several consumer applications, such as LCD or plasma TVs, some models of DVD recorders, set-top boxes with hard disk, and also desktop computers.

The STEVAL-ISA103V1 includes two modules: the main power supply that provides most of the power and is off when the application is in standby mode and the auxiliary power supply that provides energy for specific peripherals such as USB ports, remote receivers, and modems.

The auxiliary power supply is also on when the application is in standby mode and it is often required that its input power be as low as possible.

The STEVAL-ISA103V1meets the specifications of a wide range of auxiliary power supplies for the above mentioned applications and is optimized for very low standby consumption, helping to meet the most stringent energy-saving requirements.

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Data Brief

Key Features

  • Vin: 90 V - 265 V
  • Vout: 5 V
  • Pout: 12 W
  • Very low standby consumption
  • Overload protection
  • Secondary winding short-circuit protection
  • Output overvoltage protection
  • Brownout protection
  • ENERGY STARĀ® compliant
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1576: Wide range (90 V - 265 V) input, 5 V - 12 W output demonstration board with improved standby performance based on VIPER27LN
1.0 219 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-ISA103V1 gerber files
2.1 125 KB

Bill of Materials

Description Version Size
2.1 42 KB

Schematic Pack

Description Version Size
STEVAL-ISA103V1 schematics
1.0 35 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-ISA103V1ActiveVIPER27LNBuy Direct86.97Distributor reported inventory date: 2016-02-09
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA20

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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