The AVO-2A-B from Avtech Electrosystems Ltd is a Laser Diode Driver with Operating Temperature 5 to 40 Degree C, Compliance Voltage 3 to 62.5 V, Output Current 5 A, Pulse Width 4 to 50 ns, Output Voltage 3 to 62.5 V. More details for AVO-2A-B can be seen below.