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3 A LED driver based on the LED5000 in BB+ topology

Quantity $ per Unit Savings
1 - 2$41.650%
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Parameter NameParameter Value
Target ApplicationLED Lighting
Core ProductLED5000
Input Voltage Min Volt5.5
Input Voltage Max Volt48.0
Packing TypeNot Applicable
RoHs compliantEcopack2
Package NameCARD

The STEVAL-ILL065V1 is a product evaluation board based on the LED5000, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as a precise constant current source with an adjustable current capability up to 3 A DC.

The embedded PWM dimming circuitry features LED brightness control. The regulated output current level is set by connecting a sensing resistor to the feedback pin. The 200 mV typical RSENSE voltage drop enhances performance in terms of efficiency.

The size of the overall application is minimized thanks to the high switching frequency and its compatibility with ceramic output capacitors. The device is fully protected against overheating, overcurrent and output short-circuit.

Key features
  • 5.5 V to 48 V operating input voltage range
  • 850 kHz fixed switching frequency
  • 200 mV typ. current sense voltage drop
  • BB+ boost topology
  • PWM dimming
  • ±3% output current accuracy over temperature
  • 200 mOhm typical RDSON
  • Peak current mode architecture
  • Short-circuit protection
  • Compliant with ceramic output capacitors
  • Inhibit for zero current consumption
  • Thermal shutdown
  • RoHS compliant