Key facts
- Brand
- STMicroelectronics
- Model
- HVLED805
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-10
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ST HVLED805 handbook
HVLED805 is an 800V avalanche rugged internal power MOSFET LED driver from ST with 5% accuracy on constant LED output current, no optocoupler required, quasi-resonant (QR) zero voltage switching (ZVS) operation, internal HV start-up circuit, open or short LED string management, automatic self supply, input voltage feed-forward for mains independent cc regulation.
Read onlineSTMicroelectronics HVLED805 specifications
| Input voltage range (Vij) | 185 - 265 Vac |
|---|---|
| Main frequency (f,) | 50 - 60 Hz |
| Maximum output power | 4.2 W |
| Output current | 350 mA + 5% |
| Maximum output voltage | 12 V max |
| Current ripple | < 10% Iguyt |
| Minimum switching frequency | 70 kHz |
| Target average efficiency | > 70 % |
Source: STMicroelectronics EVALHVLED805 Evaluation Board Data Brief
All STMicroelectronics HVLED805 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the maximum rated output power of the EVALHVLED805?
The board has a maximum rated output power of 4.2 W.
From: STMicroelectronics EVALHVLED805 Evaluation Board Data Brief
What is the input voltage range for this driver?
It accepts an input voltage ranging from 185 to 265 Vac.
From: STMicroelectronics EVALHVLED805 Evaluation Board Data Brief
What is the main function of the HVLED805?
It is a quasi-resonant (QR) current mode controller IC specifically designed for QR ZVS flyback converters.
Does the HVLED805 require an optocoupler?
No, it eliminates the need for the optocoupler, the secondary voltage reference, and the current sensor.