STEVAL-LLL003V1

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Design Win

7.5 W non-isolated constant current LED driver based on VIPer0P

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Product overview

Description

The STEVAL–LLL003V1 evaluation board is a constant current LED driver, based on non–isolated buck topology using VIPer0P.

The board delivers 130 mA ± 2.5% at an output load of 15 – 21 white LEDs.

The buck topology ensures a minimum number of components as well as higher efficiency when operating at high output voltage (60 V and above).

The application core is the new VIPer0P offline high voltage converter which smartly integrates an 800 V avalanche rugged power MOSFET with current-mode control.

Thanks to the embedded E/A (EAGND) floating GND, the direct current regulation can be applied to the buck converter, improving the LED current accuracy.

  • All features

    • Non-isolated buck topology
    • Two input voltage ranges:
      • US range: 85-135 VAC (jumper J2 - closed, voltage doubler)
      • EU range: 175-285 VAC (jumper J2 - open, bridge rectifier)
    • 130 mA ±2.5% output constant current (15-21 white LEDs connected)
    • 60 kHz fixed frequency operation
    • ≅89% efficiency at maximum load
    • Protections:
      • open/no-load circuit protection
      • short/overload circuit protection
      • thermal shutdown
    • Soft start for improved system reliability
    • Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature
    • Meets IEC61000-4-2(ESD), IEC61000-4-4 (Burst) and IEC61000-4-5 (Surge)
    • RoHS compliant

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-LLL003V1
Active
CARD Industrial Ecopack2 -

STEVAL-LLL003V1

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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STEVAL-LLL003V1 Active

Budgetary Price (US$)*/Qty:
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Package:
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RoHS:
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Part Number:

STEVAL-LLL003V1

Supplier:

ST

Core Product:

VIPer0P

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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