4 PIN DIP PHOTOTRANSISTOR
AC INPUT PHOTOCOUPLER
EL814 Series
IF
Input
RIN
VCC
IC
RL
Output
Input
Pulse
Output
Pulse
tr
ton
Figure 9. Switching Time Test Circuit & Waveforms
10%
90%
tf
toff
Everlight Electronics Co., Ltd.
5
Document No:PDS-ELSAT-814 Rev.2.0
http://www.everlight.com
April , 18 2008