3 ms·
Need constant current for steady LED brightness, which the TL431 can certainly do. Maybe they just wanted to use a chip they were already sourcing in large quan
by m-ee 8y ago
Need constant current for steady LED brightness, which the TL431 can certainly do. Maybe they just wanted to use a chip they were already sourcing in large quantities.
- SlowRobotAhead 8y agoConstant current for a single blue LED is a little nuts to me, but you’re probably right and it made financial sense somehow.