STEVAL-LLL003V1 Active

7.5 W non-isolated constant current LED driver based on VIPer0P
Core ProductVIPer0P
Target ApplicationLED Lighting
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameCARD
Key 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

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.

In stock:
$31.85
Range Unit Price Savings
1 - 500$31.850%
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