Low Power Dissipation Laser Diode Driver

摘要

A low power consumption laser driver according to an embodiment of the present invention includes a laser diode; A driver transistor connected to one end of the laser diode; A current sensor connected between the laser diode and the driver transistor and sensing a current applied to the driver transistor; And a buck converter controlling an output voltage in response to the sensed current and controlling a drain source voltage applied to the driver transistor.