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E2P0039-37-X2 PHOTOCOUPLERS
This version: Jan. 1998 Previous version: May. 1997 OCS32
electronic components OCS32
Optical PNPN Switches
GENERAL DESCRIPTION
The OCS32 is an optical PNPN switch, combining an infrared light emitting diode and PNPN elements (photothyristors) in a single 8-pin plastic package. The GaAs light emitting diode acts as the input element of the switch, activating the output photosensor when the light emitting diode is turned on. The device is capable of withstanding high voltages. Moreover, the connection method used in the output PNPN element permits bidirectional control. The OCS32 is designed for extended life-time operation, making the device ideal for applications such as communications and telephone switching equipment.
FEATURES
* * * * * Bidirectional control Protection function eliminating need for power outage countermeasures High blocking voltage (VBO): 320 V (Min.) Trigger input current (IGO): 30 mA (Max.) Bidirectional 2-line control
APPLICATIONS
* Electronic automatic exchange * Key telephone system * Optically coupled circuits
PIN CONFIGURATION
(Unit: mm)
8.68 0.5 0.85
0.2
1.2 0.2
8 5
5.68 0.25
0 +15 -0
* Pin Connection Diagram
7.62 0.15
6.4 0.3
0.25 0.03
b 8
B 7
A 6
a 5
1
4
2.54 0.1 7.62
4.75 m a x . 3.65 0.2
5.93 0.25
0 +15 -0
1 LA
2 NC
3 NC
4 LC
0.5 0.2
0.5 0.2
1: Anode 2: NC 3: NC 4: Cathode 5: Output 6: Output 7: Output 8: Output
(LED) (No connection) (No connection) (LED) (PNPN) (PNPN) (PNPN) (PNPN)
2.8 0.35
0.8 0.2
1/4
PHOTOCOUPLERS
OCS32
ABSOLUTE MAXIMUM RATINGS
Parameter Input (LED) Forward Current Reverse Voltage Forward Blocking Voltage Output (PNPN) Continuous ON-State Current Surge ON-State Current *2 Isolation Breakdown Voltage Operating Temperature Storage Temperature *1 50 hour Max *2 A single 1 ms pulse Symbol IG VRL VBO IF ISUG VI-O Topr Tstg -- -- Ta=25C Test Condition Rating 60 5 350 100 150*1 1.4 1500 +10 to +70 -30 to +100 Unit mA V V mA A V C C
ELECTRICAL CHARACTERISTICS
Parameter
Input Characteristics
(Ambient Temperature Ta=25C) Test Condition IG=32 mA VRL=5 V VBO=320 V IF=20 mA, IG=40 mA dt=0.1 ms ON to OFF VAK=50 VDC Min. -- -- -- -- 160 0.12 -- Typ. -- -- -- -- -- -- -- Max. Unit 1.33 5 5 1.3 -- 1.1 30 V mA mA V
V/0.1ms
Symbol VFL IRL IBO VF dV/dt IH IGO
Forward Voltage Reverse Current OFF-State Current ON-State Voltage dV/dt Capability Holding Current Trigger Input Current
Output Characteristics
mA mA
Coupled Characteristics
2/4
PHOTOCOUPLERS
OCS32
TYPICAL CHARACTERISTICS
* Continuous ON-State Current vs. ON State Voltage (Ta=25C)
100 Continuous ON-State Current IF (mA)
* Trigger Input Current vs. Ambient Temperature
40 VAK=50 V
Trigger Input Current IGO (mA)
10
30
1
20
0.1 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
10 0
-20
0
20
40
60
80
100
ON-State Voltage VF (V)
Ambient Temperature Ta (C)
* Trigger Input Current vs. AnodeCathode Voltage (Ta=25C)
100
* Trigger Input Current vs. Drive Pulse Width (Ta=25C)
Trigger Input Current IGO (mA)
VAK=50 V 80 60 40 20 0
Trigger Input Current IGO (mA)
80
60
40
20
0.01
0.02
0.05 0.1
0.2
0.5
1
2
Drive Pulse Width tw (ms)
0
20
40
60
80
100
Anode-Cathode Voltage VAK (V)
3/4
PHOTOCOUPLERS * Turn-On Time vs. LED Forward Current (Ta=25C)
IG 40 30 20 10 VAK (100%) 0 10 20 30 40 50 60 Vout 1ms IG tON 10% GND 50 W VAK (V=50 V) RL =1 kW Vout
OCS32
Turn-On Time tON (ms)
LED Forward Current IG (mA)
* dV/Ft Capability Temperature 250
dV/dt Capability dV/dt (V/0.1ms)
vs.
Ambient
* Input LED Foward Current vs. Voltage
70 Ta=75C 25C
200 150 100 50
LED Foward Current IG (mA)
60 50 40 30 20 10 0 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 LED Foward Voltage VFL (V)
-20
0
20
40
60
80
100
Ambient Temperature Ta (C)
4/4

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