MOC3082 Datasheet PDF - Fairchild Semiconductor

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MOC3082
Fairchild Semiconductor

Part Number MOC3082
Description (MOC3081 - MOC3083) 6-Pin DIP Zero-C Cross Optoisolators Triac Driver Output
Page 7 Pages


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GlobalOptoisolator
6-Pin DIP Zero-Cross
Optoisolators Triac Driver Output
(800 Volts Peak)
MOC3081
MOC3082
MOC3083
The MOC3081, MOC3082 and MOC3083 devices consist of gallium arsenide
infrared emitting diodes optically coupled to monolithic silicon detectors
performing the function of Zero Voltage Crossing bilateral triac drivers.
They are designed for use with a triac in the interface of logic systems to
equipment powered from 240 Vac lines, such as solid–state relays, industrial
controls, motors, solenoids and consumer appliances, etc.
Simplifies Logic Control of 240 Vac Power
Zero Voltage Crossing
61
dv/dt of 1500 V/µs Typical, 600 V/µs Guaranteed
To order devices that are tested and marked per VDE 0884 requirements, the
suffix ”V” must be included at end of part number. VDE 0884 is a test option.
STANDARD THRU HOLE
Recommended for 240 Vac(rms) Applications:
Solenoid/Valve Controls
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Temperature Controls
E.M. Contactors
COUPLER SCHEMATIC
Static Power Switches
AC Motor Drives
AC Motor Starters
Solid State Relays
16
MAXIMUM RATINGS
Rating
INPUT LED
Reverse Voltage
Forward Current — Continuous
Total Power Dissipation @ TA = 25°C
Negligible Power in Output Driver
Derate above 25°C
OUTPUT DRIVER
Off–State Output Terminal Voltage
Peak Repetitive Surge Current
(PW = 100 µs, 120 pps)
Total Power Dissipation @ TA = 25°C
Derate above 25°C
TOTAL DEVICE
Isolation Surge Voltage(1)
(Peak ac Voltage, 60 Hz, 1 Second Duration)
Total Power Dissipation @ TA = 25°C
Derate above 25°C
Junction Temperature Range
Ambient Operating Temperature Range
Storage Temperature Rang
Soldering Temperature (10 s)
Symbol
Value
Unit
VR 6 Volts
IF 60 mA
PD 120 mW
1.41 mW/°C
VDRM
ITSM
800
1
Volts
A
PD 150 mW
1.76 mW/°C
VISO
7500
Vac(pk)
PD 250 mW
2.94 mW/°C
TJ – 40 to +100
TA – 40 to +85
Tstg – 40 to +150
TL 260
°C
°C
°C
°C
2
ZERO
3 CROSSING
CIRCUIT
5
4
1. ANODE
2. CATHODE
3. NC
4. MAIN TERMINAL
5. SUBSTRATE
DO NOT CONNECT
6. MAIN TERMINAL
1. Isolation surge voltage, VISO, is an internal device dielectric breakdown rating.
1. For this test, Pins 1 and 2 are common, and Pins 4, 5 and 6 are common.
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MOC3081, MOC3082, MOC3083
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max Unit
INPUT LED
Reverse Leakage Current (VR = 6 V)
Forward Voltage (IF = 30 mA)
OUTPUT DETECTOR (IF = 0)
Leakage with LED Off, Either Direction (VDRM = 800 V(1))
Critical Rate of Rise of Off–State Voltage(3)
IR
VF
IDRM1
dv/dt
— 0.05 100 µA
— 1.3 1.5 Volts
— 80 500 nA
600 1500
— V/µs
COUPLED
LED Trigger Current, Current Required to Latch Output
IFT
mA
(Main Terminal Voltage = 3 V(2))
MOC3081
— — 15
MOC3082
— — 10
MOC3083
——
5
Peak On–State Voltage, Either Direction
(ITM = 100 mA, IF = Rated IFT)
VTM
— 1.8
Holding Current, Either Direction
IH — 250
Inhibit Voltage (MT1–MT2 Voltage above which device will not
trigger)
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VINH — 5
Leakage in Inhibited State
(IF = Rated IFT, VDRM = 800 V, Off State)
IDRM2 — 300
3
20
500
Volts
µA
Volts
µA
1. Test voltage must be applied within dv/dt rating.
2. All devices are guaranteed to trigger at an IF value less than or equal to max IFT. Therefore, recommended operating IF lies between max
2. IFT (15 mA for MOC3081, 10 mA for MOC3082, 5 mA for MOC3083) and absolute max IF (60 mA).
3. This is static dv/dt. See Figure 7 for test circuit. Commutating dv/dt is a function of the load–driving thyristor(s) only.
TYPICAL CHARACTERISTICS
+800 OUTPUT PULSE WIDTH – 80 µs
+600 IF = 30 mA
f = 60 Hz
+400 TA = 25°C
+200
0
–200
–400
–600
–800
–4 –3 –2 –1 0 1 2 3
VTM, ON–STATE VOLTAGE (VOLTS)
4
Figure 1. On–State Characteristics
5
1.5
1.4
NORMALIZED TO
1.3 TA = 25°C
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
–40 –20 0 20 40 60 80 100
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Inhibit Voltage versus Temperature
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MOC3081, MOC3082, MOC3083
500
200
100
50
20
VDRM = 800 V
10
5
–40 –20 0 20 40 60 80 100
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Leakage with LED Off
versus Temperature
1.5
1.4
1.3 IF = RATED IFT
1.2
1.1
1
0.9
0.8
0.7
0.6
–40 –20
0 20 40 60 80 100
TA, AMBIENT TEMPERATURE (°C)
Figure 4. IDRM2, Leakage in Inhibit State
versus Temperature
25
1.5
q1.4
NORMALIZED TO
TA = 25°C
20
NORMALIZED TO:
PWin 100 µs
1.3
1.2
1.1
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1 10
0.9
0.8
0.7 5
–40 –20 0 20 40 60 80 100
TA, AMBIENT TEMPERATURE (°C)
Figure 5. Trigger Current versus Temperature
0
12
5 10 20
50 100
PWin, LED TRIGGER PULSE WIDTH (µs)
Figure 6. LED Current Required to Trigger
versus LED Pulse Width
+400
Vdc
PULSE
INPUT
RTEST
MERCURY
WETTED
RELAY
APPLIED VOLTAGE
WAVEFORM
252 V
0 VOLTS
tRC
10 k
CTEST
D.U.T.
X100
SCOPE
PROBE
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. tRC is measured at this point and
recorded.
Vmax = 400 V
ń + +dv dt
0.63 Vmax
t RC
504
t RC
Figure 7. Static dv/dt Test Circuit
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MOC3081, MOC3082, MOC3083
VCC Rin 1
6 360
2 MOC3081–83 5
34
330
39
0.01
LOAD
HOT
240 Vac
NEUTRAL
Typical circuit for use when hot line switching is required.
In this circuit the “hot” side of the line is switched and the
load connected to the cold or neutral side. The load may be
connected to either the neutral or hot line.
Rin is calculated so that IF is equal to the rated IFT of the
part, 15 mA for the MOC3081, 10 mA for the MOC3082,
and 5 mA for the MOC3083. The 39 ohm resistor and 0.01
µF capacitor are for snubbing of the triac and may or may
not be necessary depending upon the particular triac and
load used.
* For highly inductive loads (power factor < 0.5), change this value to
360 ohms.
Figure 8. Hot–Line Switching Application Circuit
240 Vac
R1 D1
Suggested method of firing two, back–to–back SCR’s,
VCC 1
6
with a Motorola triac driver. Diodes can be 1N4001; resis-
tors, R1 and R2, are optional 330 ohms.
www.DataSheet4U.comRin 2 MOC3081–83 5
SCR
SCR
3 4 360
NOTE: This device should not be used to drive a load directly. It is
intended to be a trigger device only.
D2
R2
LOAD
Figure 9. Inverse–Parallel SCR Driver Circuit
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