EVL4986A-1KWBL

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Low THD-High Efficiency, 1KW Bridgeless CCM-PFC pre-regulator based on L4986A

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Product overview

Description

The EVL4986A-1KWBL demonstration board is a bridgeless PFC pre-regulator, double boost topology, featuring 1 kW output power (400 Vdc) and wide input voltage range (90 Vac-265 Vac), based on the new L4986A peak current mode CCM power factor controller. It is intended as a front-end converter up to 1 kW, able to be compliant with IEC61000-3-2 and JEITA-MITI.
The demo is designed on the double boost (Barbi) topology using two branches, each consisting of a boost stage, managing half mains cycle. Each section operates at almost fixed frequency (65 kHz).
Thanks to the bridgeless approach and the L4986A control IC, the board offers high efficiency and low input current THD across the entire input voltage range. This is achieved using a low complexity schematic and fewer components compared to similar bridgeless solutions.
  • All features

    • Input mains range: 90 to 265 Vac - frequency 45 to 65 Hz
    • Output voltage / load: 400 V / 2.5 A
    • Efficiency:
      • above 98% at 230 Vac (full load)
      • above 95.5% at 115 Vac (full load)
      • above 94% between 10% and 100% of full load
    • No load mains consumption: below 250 mW at 230 Vac
    • Mains harmonics in compliance with EN61000-3-2 Class-A and JEITA-MITI, Class-A
    • EMI in accordance with EN55022 Class-B
    • Safety in accordance with EN62368
    • Dimensions 145 x 160 mm, height = 35 mm
    • PCB: double sided, 70 µm, FR-4, mixed PTH/SMT

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
EVL4986A-1KWBL
Active
CARD Industrial Ecopack1 -

EVL4986A-1KWBL

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.

Sample & Buy

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Core Product
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ECCN (US)
ECCN (EU)
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Board production status
Budgetary Price (US$)*/Qty
EVL4986A-1KWBL No availability of distributors reported, please contact our sales office L4986A
Active
ST EAR99 NEC ITALY -

EVL4986A-1KWBL Active

ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

EVL4986A-1KWBL

Core Product:

L4986A

Supplier:

ST

ECCN (EU):

NEC

Country of Origin:

ITALY

Board production status:

-

No availability of distributors reported, please contact our sales office
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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors