PC928 Datasheet, PDF (8/10 Pages) Sharp Electrionic Components – Shortcircuit Protector Circuit Built-in OPIC Photocoupler Suitable for Inverter-Driving IGBT

Fig. 13 High Level Supply Current vs.
Supply Voltage
14
I_F = 10mA
12
Ta = - 25˚C
10
25˚C
8
80˚C
6
4
15
18
21
24
27
30
Supply voltage VCC (V)
Fig. 15 Propagation Delay Time vs.
Forward Current
3.5
Ta = 25˚C
3
V_CC = 24V
R_G = 47Ω
C_G = 3 000pF
2.5
t_PLH
2
1.5
1
0.5
t_PHL
0
0
5
10
15
20
25
Forward current IF (mA)
Fig. 17 Overcurrent Detecting Voltage vs.
Ambient Temperature
30
V_CC = 24V
R_G = 47Ω
25
C_G = 3 000pF
I_F = 10mA
20
15
10
5
0
- 25
0
25
50
75
100
Ambient temperature Ta (˚C )
PC928
Fig. 14 Low Level Supply Current vs.
Supply Voltage
16
I_F = 0mA
14
Ta = - 25˚C
12
25˚C
10
80˚C
8
6
15
18
21
24
27
30
Supply voltage VCC (V)
Fig. 16 Propagation Delay Time vs.
Ambient Temperature
2.5
V_CC = 24V
R_G = 47Ω
2
C_G = 3 000pF
I_F = 10mA
1.5
t_PLH
1
0.5
t_PHL
0
- 25
0
25
50
75
100
Ambient temperature Ta (˚C )
Fig. 18 O2 Output Fall Time at Protection from Overcurrent/O2 "H-L"
Delay Time at Protection from Overcurrent vs. Ambient temperature
10 V_CC = 24V
I_F = 10mA
R_G = 47 Ω
8
C_G = 3 000pF
R_C = 1k Ω
C_P = 1 000pF
t _pcotf
6
t _pcoHL
4
2
0
- 25
0
25
50
75
100
Ambient temperature Ta (˚C )