I have similar driver which is regulated up to 5A. Goes up to 100 kHz.
I'm now working on many types of laser diode drivers.
Input voltage 3,3 - 12V
Analog modulation 0 - 5V
20mm x 35 mm
Can run M140 diode from 5,1V input voltage.
I can easliy give you a discount as a LPF member after...