Current sharing circuit

The invention discloses a current sharing circuit including at least one current sharing branch. Each current sharing branch consists of a current sharing unit and a current sharing control unit, wherein current sampling ends of each current sharing unit are separately connected with each other through a conversion resistor, forming a current sharing bus which connects with reference signal input ends of each current sharing control unit through a clamping circuit. The current sharing circuit is capable of limiting an output current overshoot phenomenon in a constant current source and preventing a load in a load branch from being damaged due to the current overshoot phenomenon.