![Led driver, what is the small transistor/3 pin chip and capacitors used for? it looks like they are in series with the positive of the LED's is it for switching/current limiting? what Led driver, what is the small transistor/3 pin chip and capacitors used for? it looks like they are in series with the positive of the LED's is it for switching/current limiting? what](https://preview.redd.it/led-driver-what-is-the-small-transistor-3-pin-chip-and-v0-ywz3e72l13w91.jpg?width=640&crop=smart&auto=webp&s=02903f0a9548c94c428478da08981153d1d84a67)
Led driver, what is the small transistor/3 pin chip and capacitors used for? it looks like they are in series with the positive of the LED's is it for switching/current limiting? what
![Schematic of a typical LED driver for the pulse operation mode. Vcc is... | Download Scientific Diagram Schematic of a typical LED driver for the pulse operation mode. Vcc is... | Download Scientific Diagram](https://www.researchgate.net/publication/344961822/figure/fig4/AS:952116273229824@1604013617089/Schematic-of-a-typical-LED-driver-for-the-pulse-operation-mode-Vcc-is-the-voltage.png)
Schematic of a typical LED driver for the pulse operation mode. Vcc is... | Download Scientific Diagram
![NPN LED Driver - Why an extra resistor to ground at the Base? | Electronics Forum (Circuits, Projects and Microcontrollers) NPN LED Driver - Why an extra resistor to ground at the Base? | Electronics Forum (Circuits, Projects and Microcontrollers)](https://i.imgur.com/uiVisGR.jpg)