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Auxiliary power supply in buck-boost topology based on the Viper06
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The STEVAL-ISA096V1 is a switched mode power supply (SMPS) demonstration board. This non-isolated SMPS is designed in a buck-boost topology and is capable of delivering up to 2 W of output over a wide input voltage range.

This board also offers the user the possibility of adapting the circuit to specific needs, thanks to an available free PCB area.

The SMPS generates 12 V of nominal output voltage.

The STEVAL-ISA096V1 demonstration board is based on the VIPer06, a monolithic converter that integrates an 800 V avalanche-rugged MOSFET and PWM controller in one package, offering a cost-effective and space-saving solution.

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Data Brief

Key Features

  • Input voltage: Vin: 85 ~ 264 Vrms; f: 45 ~ 66 Hz
  • Output voltage: -12 Vdc ± 10%, 150 mA
  • Standby < 30 mW at 264 Vac
  • Short-circuit: protected
  • PCB type and size: FR4 single-side 35 μm, 32 x 90 mm
  • Isolation: isolated 4 kV/8 mm
  • EMI: according to EN55022 class B
  • RoHS compliant


Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB1510: Auxiliary power supply in buck-boost topology based on the Viper06
1.0 233 KB

User Manual

Description Version Size
UM1470: STEVAL-ISA096V1 -12 V/150 mA adaptable buck-boost converter
1.0 931 KB

Hardware Resources

Board Manufacturing Specification

Description Version Size
STEVAL-ISA096V1 gerber files
1.0 83 KB

Bill of Materials

Description Version Size
1.0 8 KB

Schematic Pack

Description Version Size
STEVAL-ISA096V1 schematics
1.0 24 KB

Sample & Buy

Part Number Marketing StatusCore ProductOrder From STUnit Price (US$)*
@ 1
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STEVAL-ISA096V1ActiveVIPER06Buy Direct42.87Distributor reported inventory date: 2016-02-11
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA20
Farnell Element14Order NowEUROPE21

(*) 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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