Key facts
- Brand
- STMicroelectronics
- Model
- AN2640
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-06
Start here
DatasheetST AN2640 handbook
ST AN2640 handbook
Datasheet
This is a multi-power digital electronic ballast for T5 fluorescent lamps, controlled by ST7FLIT19B and L6382D5
Read onlineSTMicroelectronics AN2640 specifications
| Input capacitor | 470 nF |
|---|---|
| Output bulk capacitor | 47 µF |
| Output voltage | 420 V |
| Boost inductor value | 2 mH (±5%) |
| Half‑bridge resonant inductor | 1.2 mH |
| Startup capacitor | 10 nF |
| Minimum switching frequency | 35 kHz |
All STMicroelectronics AN2640 documents by type
Datasheet 2
Ratings, dimensions and ordering codes, for selection and design work.
Application Note 1
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the output voltage of the ballast?
The regulated DC output voltage is 420 V.
Which MCU controls the ballast and PFC stages?
The ST7FLIT19B 8‑bit microcontroller controls both stages.