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.
| Manufacturer | STMicroelectronics |
|---|---|
| Category | Lighting |
| Sub-Category | LED Drivers - AC / Offline |
| Eval Board Part Number | 497-17663-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Normally In Stock
|
| AC Voltage |
Universal
|
| Outputs and Type |
1 Non-Isolated
|
| Current Out |
130 mA
|
| Voltage Out (Max) |
85 V
|
| Efficiency @ Conditions |
>88%, 21 LEDs @ 175 ~ 265 VAC in
>87%, 21 LEDs @ 110 ~ 135 VAC in |
| Features |
Open Circuit Protection
Short Circuit Protection Soft Start Thermal Protection |
| Switching Frequency |
60 kHz
|
| Component Count + Extras |
27 + 3
|
| Design Author |
STMicroelectronics
|
| Application / Target Market |
Lighting: LED Commercial Lighting
Lighting: LED Home Lighting Lighting: LED Signage |
| Voltage In |
85 ~ 135 or 175 ~ 285 VAC
|
| Power Factor |
- Not Given
|
| Standard(s) |
EN55022 B conducted EMI
IEC 61000-4-2 (ESD) IEC 61000-4-4 (Burst) IEC 61000-4-5 (Surge) |
| Main I.C. Base Part |
VIPer0P
|
| Date Created By Author | 2017-09 |
| Date Added To Library | 2019-09 |
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