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| FOD8316 Datasheet, PDF (20/29 Pages) Fairchild Semiconductor – 2.5A Output Current, IGBT Drive Optocoupler | |||
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Test Circuits (Continued)
5V
0.1μF
1kΩ
SCOPE
300pF
FOD8316
1 VIN+
VE 16
2 VINâ
VLED2+ 15
3 VDD1
DESAT 14
4 GND1
VDD2 13
5 RESET
VS 12
6 FAULT
VO 11
7 VLED1+
VSS 10
8 VLED1-*
VSS 9
25V
0.1μF
10Ω
10nF
VCM
Floating GND
*Pin 8 (VLED1-) is internally connected to pin 4 (GND1).
Figure 46. Common Mode High (CMH) Test Circuit @ LED2 Off
5V
0.1μF
1kΩ
SCOPE
300pF
FOD8316
1 VIN+
VE 16
2 VINâ
VLED2+ 15
3 VDD1
DESAT 14
4 GND1
VDD2 13
5 RESET
VS 12
6 FAULT
VO 11
7 VLED1+
VSS 10
8 VLED1-*
VSS 9
25V
750Ω
0.1μF
+ 9V
â
10Ω
10nF
VCM
Floating GND
*Pin 8 (VLED1-) is internally connected to pin 4 (GND1).
Figure 47. Common Mode Low (CML) Test Circuit @ LED2 On
©2010 Fairchild Semiconductor Corporation
FOD8316 Rev. 1.2.0
20
www.fairchildsemi.com
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