Basic Led Driver any voltage

204

03:03:30

15 ohm resistor sets the LED current. Any applied voltage is possible. Zener sets the max voltage on the FET gate. Use zener if needed. Temp compensation is automatic as the transistor has a Neg temperature coefficient and cools down the led as it warms up. The voltage on the 15 ohm resistor is .55v in operation. Set the value for the desired current.

published 9 years ago

add comment in editor

EveryCircuit is an easy to use, highly interactive circuit simulator and schematic capture tool. Real-time circuit simulation, interactivity, and dynamic visualization make it a must have application for professionals and academia. EveryCircuit user community has collaboratively created the largest searchable library of circuit designs. EveryCircuit app runs online in popular browsers and on mobile phones and tablets, enabling you to capture design ideas and learn electronics on the go.