12 V, 7.8 W isolated flyback converter based on VIPer114LS

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  • The STEVAL-ISA197V1 evaluation board implements a 7.8 W (12 V / 0.65 A) isolated flyback wide range mains developed for general purpose applications.

    The core of the application is the innovative VIPer114LS IC, designed for smart power supplies incorporating green energy management.
    The device is a high-voltage converter that intelligently integrates an 800 V rugged power MOSFET with PWM current-mode control. VIPer114LS operates at fixed frequency 60 kHz with frequency jittering to meet standards regarding electromagnetic disturbance. The multiple protections on the device, including pulse skip mode to avoid flux-runaway, delayed overload, max duty cycle counter, input or output overvoltage and thermal shutdown improve the reliability and safety of the design.
    The main characteristics of the evaluation board are its small size and minimal BOM, high efficiency and low standby consumption. Extremely low consumption under the no-load condition is ensured thanks to burst mode operation, which reduces the average switching frequency and minimizes all frequency-related losses.

    Key Features

    • Universal input mains range: 90 – 265VAC, frequency: 50 – 60 Hz
    • Output voltage: 12 V
    • Output current: 0.65 A
    • Very compact size
    • Stand-by mains consumption: < 20 mW at 230VAC
    • Average efficiency: > 81%
    • EMI: according to EN55022-Class-B
    • RoHS compliant

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Part Number
Core Product
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Board production status
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Order from ST
STEVAL-ISA197V1 VIPER114LS
Active
46.0 1 EAR99 ITALY - Check Availability

Distributor availability ofSTEVAL-ISA197V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10 1 Order Now
RS COMPONENTS EUROPE 3 1 Order Now
MOUSER WORLDWIDE 7 1 Order Now
Farnell Element14 EUROPE 4 1 Order Now

Distributor reported inventory date: 2019-06-25

Distributor Name

DIGIKEY

Stock

10

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

7

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

4

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-06-25

Buy now

STEVAL-ISA197V1

Core Product

VIPER114LS

Marketing Status

Active

Unit Price (US$)

46.0*

Distributor availability ofSTEVAL-ISA197V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10 1 Order Now
RS COMPONENTS EUROPE 3 1 Order Now
MOUSER WORLDWIDE 7 1 Order Now
Farnell Element14 EUROPE 4 1 Order Now

Distributor reported inventory date: 2019-06-25

Distributor Name

DIGIKEY

Stock

10

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

7

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

4

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-06-25

Unit Price (US$)

46

Quantity

1

ECCN (US)

EAR99

Country of Origin

ITALY

Board production status

-

(*) 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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Power Supplies and Converters

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB3317
      12 V, 7.8 W isolated flyback converter based on VIPer114LS
      1.0
      209.63 KB
      PDF
      DB3317

      12 V, 7.8 W isolated flyback converter based on VIPer114LS

    • Description Version Size Action
      AN5057
      12 V, 7.8 W isolated flyback converter based on VIPer114LS
      1.0
      2.34 MB
      PDF
      AN5057

      12 V, 7.8 W isolated flyback converter based on VIPer114LS

Hardware Resources

    • Description Version Size Action
      steval-isa197v1 gerber 1.0
      123.64 KB
      ZIP

      steval-isa197v1 gerber

    • Description Version Size Action
      steval-isa197v1 bom 1.0
      45.24 KB
      PDF

      steval-isa197v1 bom

    • Description Version Size Action
      steval-isa197v1 schematic 1.0
      69.61 KB
      PDF

      steval-isa197v1 schematic

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-ISA197V1
Active
CARD Industrial Ecopack2 -

STEVAL-ISA197V1

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.