25 W wide-range high power factor buck-boost converter demonstration board using the L6564H

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  • This application note describes a wide-range non-isolated 25 W regulated LED driver with high power factor. The EVL6564H-25W-BB demonstration board is well-suited to the Japanese market due to the broad use of standard 100 Vac lighting applications and also 200 Vac tubes in building automation systems.

    The EVL6564H-25W-BB demonstration board has been designed in order to obtain the highest possible power factor over the entire input mains voltage, remaining compliant to EN55022 Class-B and keeping the average output current in a tight band with different LED characteristics.
    The board is based on ST's L6564H power factor controller and the SEA05L CC-CV controller for LED current regulation in a non-isolated flyback configuration. The form factor has been designed to fit into a standard LED driver case, facilitating the replacement of the incandescent flood lamps up to 80-100 W power.

    Key Features

    • Line voltage range: 85 to 265 Vac
    • Minimum line frequency (fL): 47-63 Hz
    • LED string voltage drop: 70 V ±10% (23 LED p.n. X42182)
    • LED nominal current: 350 mA ±1%
    • LED current ripple pk-pk: 100 mA
    • Rated output power: 25 W
    • Power factor > 0.9
    • Efficiency: > 89 % at 230 V
    • Maximum ambient temperature: 50 °C
    • Conducted EMI: In acc. with EN55022 class-B
    • Overvoltage, open loop and short-circuit protection

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
EVL6564H-25W-BB L6564H
Active
- - EAR99 - - No availability of distributors reported, please contact our sales office

EVL6564H-25W-BB

Core Product

L6564H

Marketing Status

Active

Unit Price (US$)

*

Unit Price (US$)

-

Quantity

-

ECCN (US)

EAR99

Country of Origin

-

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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Technical Documentation

    • Description Version Size Action
      DB1993
      25 W wide-range high power factor buck-boost converter demonstration board using the L6564H
      2.0
      683.07 KB
      PDF
      DB1993

      25 W wide-range high power factor buck-boost converter demonstration board using the L6564H

    • Description Version Size Action
      AN4314
      25 W wide-range high power factor buck-boost converter demonstration board using the L6564H
      2.0
      2.19 MB
      PDF
      AN4314

      25 W wide-range high power factor buck-boost converter demonstration board using the L6564H

    • Description Version Size Action
      DT0010
      Adding the analog dimming to EVL6564H-25W-BB
      1.0
      210.68 KB
      PDF
      DT0010

      Adding the analog dimming to EVL6564H-25W-BB

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**
EVL6564H-25W-BB
Active
CARD Industrial Ecopack1 -

EVL6564H-25W-BB

Package:

CARD

Material Declaration**:

Marketing Status

Active

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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.