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參數(shù)資料
| 型號： | MOC3021 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 光電耦合器 |
| 英文描述： | 6-Pin DIP Random-Phase Optoisolators Triac Driver Output |
| 中文描述： | 1 CHANNEL TRIAC OUTPUT OPTOCOUPLER |
| 封裝： | PLASTIC, DIP-6 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 299K |
| 代理商： | MOC3021 |
3
Motorola Optoelectronics Device Data
TA, AMBIENT TEMPERATURE (
°
C)
Figure 6. Leakage Current, IDRM
versus Temperature
–40
100
1
–30 –20 –10
0
10
20
30
40
50
60
70
80
10
I
0.7
Figure 3. Trigger Current versus Temperature
–40
TA, AMBIENT TEMPERATURE (
°
C)
0.8
1.1
1.3
1.4
–20
0
20
40
60
80
F
I
0.6
100
5
1
PWin, LED TRIGGER WIDTH (
μ
s)
10
15
20
25
2
5
20
10
50
0
100
F
I
,
NORMALIZED TO:
PWin
100
μ
s
Figure 4. LED Current Required to Trigger
versus LED Pulse Width
2
40
TA, AMBIENT TEMPERATURE (
°
C)
4
6
8
10
25
30
50
70
60
80
0
100
90
12
STATIC dv/dt
CIRCUIT IN FIGURE 7
Figure 5. dv/dt versus Temperature
+400
Vdc
PULSE
INPUT
MERCURY
WETTED
RELAY
RTEST
CTEST
R = 10 k
X100
SCOPE
PROBE
D.U.T.
APPLIED VOLTAGE
WAVEFORM
252 V
0 VOLTS
RC
Vmax = 400 V
dv dt
0.63 Vmax
RC
252
RC
1. The mercury wetted relay provides a high speed repeated
pulse to the D.U.T.
2. 100x scope probes are used, to allow high speeds and
voltages.
3. The worst–case condition for static dv/dt is established by
triggering the D.U.T. with a normal LED input current, then
removing the current. The variable RTEST allows the dv/dt to be
gradually increased until the D.U.T. continues to trigger in
response to the applied voltage pulse, even after the LED
current has been removed. The dv/dt is then decreased until
the D.U.T. stops triggering. RC is measured at this point and
recorded.
,
0.9
1
1.2
μ
d
Figure 7. Static dv/dt Test Circuit
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