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  • The STEVAL-ISA111V1 demonstration board is a 12 V, 1 A power supply set in non-isolated flyback topology using the VIPER26HN, the new offline high voltage converter by STMicroelectronics.

    The features include an 800 V avalanche rugged power section, PWM operation at 115 kHz with frequency jittering for lower EMI, current limiting with adjustable set point, onboard soft-start, a safe auto-restart after a fault condition and a low standby power. The protections include thermal shutdown with hysteresis, delayed overload protection, and open loop failure protection.

    Key Features

    • Universal input mains range:
      • input voltage 90 - 264 VAC
      • frequency 45 - 65 Hz
    • Single-output voltage: 12 V at 1 A continuous operation
    • Standby mains consumption: < 30 mW at 230 VAC
    • Average efficiency: > 80%
    • Fully protected against faults (overload, feedback disconnection and overheating)
    • EMI: according to EN55022-Class-B
    • RoHS compliant

Sample & Buy

Part Number
Core Product
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Board production status
Order from Distributors
Order from ST
STEVAL-ISA111V1 VIPER26HN
Active
106 1 EAR99 ITALY Out of production No availability of distributors reported, please contact our sales office

STEVAL-ISA111V1

Core Product

VIPER26HN

Marketing Status

Active

Unit Price (US$)

106.0*

Unit Price (US$)

106

Quantity

1

ECCN (US)

EAR99

Country of Origin

ITALY

Board production status

Out of production

(*) 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

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB1822
      Wide-range single-output demonstration board based on the VIPER26HN
      1.0
      804.3 KB
      PDF
      DB1822

      Wide-range single-output demonstration board based on the VIPER26HN

    • Description Version Size Action
      AN4165
      STEVAL-ISA111V1: 12 V / 12 W, 115 kHz non-isolated flyback
      2.0
      2.47 MB
      PDF
      AN4165

      STEVAL-ISA111V1: 12 V / 12 W, 115 kHz non-isolated flyback

Hardware Resources

    • Description Version Size Action
      STEVAL-ISA111V1 BOM 2.0
      40.86 KB
      PDF

      STEVAL-ISA111V1 BOM

    • Description Version Size Action
      STEVAL-ISA111V1 schematics 1.0
      103.46 KB
      PDF

      STEVAL-ISA111V1 schematics

Publications and Collaterals

    • Description Version Size Action
      eDesignSuite-The smart way to design your application 1.0
      842.88 KB
      PDF

      eDesignSuite-The smart way to design your application

Legal

    • Description Version Size Action
      Evaluation products license agreement 1.6
      74.12 KB
      PDF

      Evaluation products license agreement

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA111V1
Active
CARD Industrial Ecopack2 -

STEVAL-ISA111V1

Package:

CARD

Material Declaration**:

Marketing Status

Active

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com 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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