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MOC3022SR2M Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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MOC3022SR2M Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 10 page 4/30/03 Page 5 of 10 © 2003 Fairchild Semiconductor Corporation 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. 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. τ RC is measured at this point and recorded. Note: This optoisolator should not be used to drive a load directly. It is intended to be a trigger device only. Vdc 400V (MOC302X) 250V (MOC301X) R = 10 k Ω CTEST X100 SCOPE PROBE PULSE INPUT MERCURY WETTED RELAY RTEST D.U.T. D.U.T. Figure 5. Static dv/dt Test Circuit 252 V (MOC302X) 158 V (MOC301X) 0 VOLTS APPLIED VOLTAGE WAVEFORM Vmax = dv/dt = 0.63 Vmax = 252 τ RC τ RC τ RC 400 V (MOC302X) = 250 V (MOC301X) (MOC302X) = 158 τ RC (MOC301X) Figure 6. Resistive Load Figure 7. Inductive Load with Sensitive Gate Triac (IGT ≤ 15 mA) VCC Rin 1 2 3 6 5 4 0.1 µF 180 C1 2.4k ZL 120 V 60 Hz MOC3010M MOC3011M MOC3012M VCC Rin 1 2 3 6 5 4 120 V 60 Hz 180 RL MOC3010M MOC3011M MOC3012M |
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