The STEVAL–LLL004V1 is a digitally controlled constant current LED driver. The PFC stage and the two DC-DC converters are designed to work in transition mode to optimize efficiency.
The LED driver can deliver 75 W output power. It can dim the LEDs down to 0.5% of the maximum brightness level through both analog and digital approaches. The operation is flicker free across the entire dimming range using either of the dimming techniques. The board features high efficiency, a power factor almost equal to one, and a low THD percentage across wide input voltage and load conditions, thanks to the high performance ST power products and the advanced algorithms running on the 32-bit STM32F0 microcontroller.
Manufacturer | STMicroelectronics |
---|---|
Category | Lighting |
Sub-Category | LED Drivers - AC / Offline |
Eval Board Part Number | 497-18365-ND |
Eval Board Supplier | STMicroelectronics |
Eval Board |
Normally In Stock
|
AC Voltage |
Universal
|
Outputs and Type |
2 Non-Isolated
|
Current Out |
500 mA
|
Voltage Out (Max) |
80 V
|
Efficiency @ Conditions |
>87%, 135 ~ 265 VAC, 24 LED @ 500 mA
>85%, 110 ~ 265 VAC, 20 LED @ 500 mA >82%, 85 ~ 265 VAC, 16 LED @ 500 mA |
Features |
Dimming Control
Open Circuit Protection PFC Short Circuit Protection Soft Start |
Switching Frequency |
20 ~ 100 kHz
|
Component Count + Extras |
239 + 17
|
Design Author |
STMicroelectronics
|
Application / Target Market |
Lighting: Electronic Ballast
Lighting: LED Commercial Lighting Lighting: LED Home Lighting |
Voltage In |
85 ~ 265 VAC
|
Power Factor |
>0.96 @ 85 ~ 265 VAC
|
Standard(s) |
EN55022 B conducted EMI
|
Main I.C. Base Part |
STD11N60M2-EP
STM32F071 VIPer01 |
Date Created By Author | 2018-11 |
Date Added To Library | 2019-02 |