Datasheet
DocID023432 Rev 4 35/40
LED2000 Typical characteristics
40
Figure 28. LED current falling edge Figure 29. Hiccup current protection
Figure 30. Efficiency vs. IOUT (VIN 32 V) Figure 31. Thermal shutdown protection
To maximize the dimming
performance the embedded LS
discharges C
OUT
when DIM goes low.
(D IM = 0 & & V
FB
> 60mV):
the low side is enable d
as long as I
L
> -1A
(implements negative
current limitation)
AM12917v1
AM12918v1
130 ns typ.
AM12919v1
AM12920v1