(High Current Load)
This configuration is suitable to large current loads is shown in figure 1. The reference voltage is applied to the input and can be sourced to the load by a voltage source using another operational amplifier.
Formula 1
Constant Current Source - High Power
IL = Vin x { [ R1 x (R1 + R2) ] / ( R1 x R2 x R3 ) }
Where:
IL is the current in the load in amperes (A)
Vin is the input voltage or reference voltage in volts (V)
R1, R2 and R3 are the resistances in ohm (Ω)
