![Understanding the application of a switching regulator as a constant current LED driver - Electrical Engineering Stack Exchange Understanding the application of a switching regulator as a constant current LED driver - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/0NYCw.png)
Understanding the application of a switching regulator as a constant current LED driver - Electrical Engineering Stack Exchange
![Espen LED Driver VEL40180120H-1 Constant Current, 40W, 120V Input, Output Voltage 12-22V. - Amazon.com Espen LED Driver VEL40180120H-1 Constant Current, 40W, 120V Input, Output Voltage 12-22V. - Amazon.com](https://m.media-amazon.com/images/I/71xkk3YtQjL._AC_UF1000,1000_QL80_.jpg)
Espen LED Driver VEL40180120H-1 Constant Current, 40W, 120V Input, Output Voltage 12-22V. - Amazon.com
![Constant Voltage & Constant Current LED Driver - A Type, 24V 10A 180W-240W: Amazon.com: Tools & Home Improvement Constant Voltage & Constant Current LED Driver - A Type, 24V 10A 180W-240W: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/6101jWkINxL._AC_UF1000,1000_QL80_.jpg)
Constant Voltage & Constant Current LED Driver - A Type, 24V 10A 180W-240W: Amazon.com: Tools & Home Improvement
![Chanzon LED Driver 300mA (Constant Current Output) 3V-20V (Input 100-240V AC-DC) (1-6) x1W 1W 2W 3W 4W 5W 6W Power Supply 300 mA Lighting Transformer Drivers for High Power COB Chips (Plastic Chanzon LED Driver 300mA (Constant Current Output) 3V-20V (Input 100-240V AC-DC) (1-6) x1W 1W 2W 3W 4W 5W 6W Power Supply 300 mA Lighting Transformer Drivers for High Power COB Chips (Plastic](https://m.media-amazon.com/images/I/61FsXJsVSWL._AC_UF894,1000_QL80_.jpg)