LM3431-Q1
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Краткое описание:
3-Channel Constant Current LED Driver with Integrated Boost Controller
Дополнительная информация
The LM3431-Q1 is a 3-channel linear current controller combined with a boost switching controller designed for driving LED backlight panels in space-critical automotive applications. It drives three external NPN transistors or MOSFETs to deliver high accuracy constant current to LED strings, supporting expansion to six strings. The integrated boost controller features LED cathode feedback to minimize regulator headroom and optimize efficiency while operating from input voltages between 5V and 36V.
| RoHS | Compliant |
| Iq (typ) | 4mA |
| Vin (max) | 36V |
| Vin (min) | 4.5V |
| Iout (max) | 0.6A |
| Vout (max) | 40V |
| Automotive Grade | AEC-Q100 Grade 1 Qualified |
| Number of Channels | 3count |
| Switching Frequency (max) | 1MHz |
| Operating Temperature Range | -40 to 125°C |
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