6-PIN DIP RANDOM-PHASE
OPTOISOLATORS TRIAC DRIVER OUTPUT
(250/400 VOLT PEAK)
MOC3010M MOC3011M MOC3012M MOC3020M MOC3021M MOC3022M MOC3023M
1. The mercury wetted relay provides a high speed repeated
pulse to the D.U.T.
400V (MOC302X)
250V (MOC301X)
2. 100x scope probes are used, to allow high speeds and
RTEST
Vdc
R = 10 kΩ
voltages.
CTEST
3. The worst-case condition for static dv/dt is established by
triggering the D.U.T. with a normal LED input current, then
PULSE
INPUT
MERCURY
X100
SCOPE
PROBE
removing the current.The variable R
allows the dv/dt
WETTED
RELAY
TEST
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
D.U.T.
then decreased until the D.U.T. stops triggering. τ is
RC
measured at this point and recorded.
V
= 400 V (MOC302X)
max
APPLIED VOLTAGE
WAVEFORM
= 250 V (MOC301X)
252 V (MOC302X)
158 V (MOC301X)
0.63 V
252
max
dv/dt =
=
=
(MOC302X)
(MOC301X)
τ
τ
0 VOLTS
RC
RC
τ
RC
158
τ
RC
Figure 5. Static dv/dt Test Circuit
Note: This optoisolator should not be used to drive a load directly.
It is intended to be a trigger device only.
RL
Rin
180
1
2
6
5
VCC
120 V
60 Hz
MOC3010M
MOC3011M
MOC3012M
3
4
Figure 6. Resistive Load
ZL
Rin
180
2.4k
1
2
6
5
VCC
120 V
60 Hz
MOC3010M
MOC3011M
MOC3012M
C1
0.1 µF
3
4
Figure 7. Inductive Load with Sensitive Gate Triac (IGT ≤ 15 mA)
© 2003 Fairchild Semiconductor Corporation
Page 5 of 10
4/30/03
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