STEVAL-ISA117V1

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Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN

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  • This board implements a 4 W single-output wide range mains power supply set in flyback isolated topology, using the VIPER16LN, an off-line high voltage converter by STMicroelectronics.

    The features include an 800 V avalanche rugged power section, PWM operation at 60 kHz with frequency jittering for lower EMI, current limiting with adjustable set point, on-board soft-start, a safe auto-restart after a fault condition and a low stand-by power.
    The device does not require a biasing circuit to operate because the IC can be supplied by an internal current generator, therefore saving the cost of the transformers auxiliary winding. If the device is biased through an auxiliary winding, the demonstration board can reach very low standby consumption (< 30 mW at 230 VAC, with output load disconnected).
    The IC implements several protections that considerably increase end-product safety and reliability: thermal shutdown with hysteresis, delayed overload protection, open loop failure protection (the last one available only if the device is biased through the auxiliary winding).

    Key Features

    • Universal input mains range:
      • input voltage 90 - 264 VAC
      • frequency 45 - 65 Hz
    • Single output voltage: 12 V at 0.35 A continuous operation
    • Stand-by mains consumption: < 30 mW at 230 VAC
    • Average efficiency: > 75 %
    • Fully protected against faults (overload, feedback disconnection and overheating)
    • EMI: according to EN55022-Class-B

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Related Applications

Data Center

Telecom Infrastructure

Power Supplies and Converters

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA117V1
Active
CARD Industrial Ecopack2 -

STEVAL-ISA117V1

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.

Sample & Buy

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STEVAL-ISA117V1 Available at 1 distributors

Distributor availability ofSTEVAL-ISA117V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5 1 Order Now

Distributor reported inventory date: 2020-11-24

Distributor Name

DIGIKEY

Stock

5

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-11-24

Buy Direct VIPer16LN
Active
- EAR99 NEC ITALY - 55.0 / 1

STEVAL-ISA117V1

Core Product

VIPer16LN

Marketing Status

Active

Budgetary Price (US$)*/Qty

55.0 / 1

Distributor availability ofSTEVAL-ISA117V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5 1 Order Now

Distributor reported inventory date: 2020-11-24

Distributor Name

DIGIKEY

Stock

5

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-11-24

Supplier

-

ECCN (US)

EAR99

ECCN (EU)

NEC

Budgetary Price (US$)* / Qty

55.0 / 1

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