The lm3410 and lm3410 q1 constant current led driver are a monolithic high frequency pwm dc dc converter available in 6 pin wson 8 pin msop powerpad and 5 pin sot 23 packages.
Constant current boost led driver.
Lm yn dc dc 250w constant current boost step up module mobile power supply led driver 10a max input 8 5 48v output 10 50v 3 4 out of 5 stars 11 10 50 10.
The us manufactured luxdrive 4015 series boostpuck is a 5 28vdc boosting constant current output led driver for powering high brightness hb leds.
To maximize usable light the drivers current consumption is engineered to steadily drop as the voltage of the batteries drop.
Analog devices step up boost led drivers provide current control of multiple leds and support for high brightness led lighting large format led backlighting camera enabled smart devices and a range of related applications.
Geri dc dc 250w constant current boost step up module mobile power supply led driver max 10a 8 5 48v input 12 50v output.
Available from these sellers.
The intended use for a boostpuck driver are applications where the forward voltage of leds is greater than the input voltage to the boostpuck.