Data Sheet
© Semiconductor Components Industries, LLC, 2010 www.onsemi.com
FOD8316 Rev. 2 21
FOD8316 — 2.5 A Output Current, IGBT Drive Optocoupler with Desaturation Detection and Isolated Fault Sensing
Timing Diagrams
Figure 50. Propagation Delay (t
PLH
, t
PHL
), Rise Time (t
R
) and Fall Time (t
F
) Timing Diagram
F
igure 51. Definitions for Fault Reset Input (RESET
), Desaturation Voltage Input (DESAT), Output Voltage (V
O
)
and Fault Output (FAULT) Timing Waveforms
V
IN+
V
IN–
V
O
2.5 V
0V
t
R
90%
50%
10%
2.5 V
t
PLH
t
PHL
t
F
RESET
V
DESAT
V
O
t
DESAT (LOW)
FAULT
t
DESAT (90%)
t
DESAT (10%)
t
DESAT (FAULT)
t
RESET (FAULT)
50%
90%
7 V
10%
50%
50% (0.5
x V
DD1
)
