The 766 from Analog Module Inc. is a Laser Diode Driver with Operating Temperature 0 to 50 Degree C, Storage Temperature -20 to 70 Degree C, Output Current 0.4 to 1.1 A, Pulse Width 0.15 to 1 ns, Input Voltage 4.75 to 5.25 V DC. More details for 766 can be seen below.