STEVAL-ILL054V1 Datasheet, PDF (1/4 Pages) STMicroelectronics – Internal current limiting

STEVAL-ILL054V1
4 A HB LED driver with dimming function based on the LED2001
in a QFN package
Data brief
Features
 3.0 V to 18 V operating input voltage range
 850 kHz fixed switching frequency
 100 mV typical current sense voltage drop
 PWM dimming
 ±7% output current accuracy
 Synchronous rectification
 Internal current limiting
 Thermal shutdown
 RoHS compliant
Description
The purpose of the STEVAL-ILL054V1 evaluation
board is aid in the evaluation of the LED2001, an
850 kHz fixed switching frequency monolithic
step-down DC-DC converter. The LED2001 is
designed to operate as a precise constant current
source with an adjustable current capability up to
4 A DC.
The embedded PWM dimming circuitry features
LED brightness control. The regulated output
current is set by connecting a sensing resistor to
the feedback pin.
The size of the overall application is minimized
thanks to the high switching frequency and
ceramic output capacitor compatibility.
The device is fully protected against overheating,
overcurrent and output short-circuit.
May 2016
DocID024232 Rev 2
For further information contact your local STMicroelectronics sales
office
1/4
www.st.com