FOD8316 Datasheet, PDF (21/29 Pages) Fairchild Semiconductor – 2.5A Output Current, IGBT Drive Optocoupler

Timing Diagrams
V_IN+
V_IN–
2.5V
0V
t_R
V_O
t_PLH
2.5V
t_F
90%
50%
10%
t_PHL
Figure 48. Propagation Delay (t_PLH, t_PHL), Rise Time (t_R) and Fall Time (t_F) Timing Diagram
RESET
7V
V_DESAT
V_O
FAULT
t_{DESAT (LOW)}
50%
t_{DESAT (90%)}
90%
t_{DESAT (10%)}
10%
t_{DESAT (FAULT)}
50%
t_{RESET (FAULT)}
50% (0.5 x V_DD1)
Figure 49. Definitions for Fault Reset Input (RESET), Desaturation Voltage Input (DESAT), Output Voltage (V_O)
and Fault Output (FAULT) Timing Waveforms
©2010 Fairchild Semiconductor Corporation
FOD8316 Rev. 1.2.0
21
www.fairchildsemi.com