5groups 17mm 2.5V 2.5A buck driver for KR CSLNM1.23 SST-20-DR

diameter 17mm

input voltage 3-4.2V

output voltage 2-2.5V for red LED

Max output current 2.5A

5groups

1.100%
2.100%-20%
3.100%-strobe
4.20%-100%
5.strobe-100%

20 clicks to enter into group selection,

The number of flashes represents the group sequence number.Turn off the flashlight during the flashing of a certain group, it means that the group is selected,

The mode has no memory.

The driver has low voltage protection