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| PC812 PC812 s Features 1. High noise reduction ( Common mode rejection voltage V CM : TYP. 1.5kV at dV/dt = 2kV/ s, R L = 470 , V np = 100mV ) 2. High current transfer ratio ( CTR : MIN. 90% at I F = 5mA, V CE = 5V) 3. High isolation voltage between input and output ( Viso : 5 000V rms ) 4. Compact dual-in-line package High Noise Resistance Type Photocoupler s Outline Dimensions CTR rank mark ( Unit : mm ) Internal connection diagram 4 3 4 2.54 0.25 3 6.5 0.5 Anode mark PC812 1 0.9 0.2 1.2 0.3 4.58 0.5 0.5TYP. 3.5 0.5 2 1 1 2 Anode Cathode 2 3 4 Emitter Collector 7.62 0.3 s Applications 1. Motor-control circuits 2. Computer terminals 3. System appliances, measuring instruments 4. Signal transmission between circuits of different potentials and impedances 3.0 0.5 0.5 0.1 = 0 to 13 0.26 0.1 s Absolute Maximum Ratings Parameter Forward current *1 Peak forward current Reverse voltage Power dissipation Collector-emitter voltage Emitter-collector voltage Collector current Collector power dissipation Total power dissipation *2 Isolation voltage Operating temperature Storage temperature *3 Soldering temperature Symbol IF I FM VR P V CEO V ECO IC PC P tot V iso T opr T stg T sol (Ta = 25C ) Rating 50 1 6 70 35 6 50 150 200 5 000 - 30 to + 100 - 55 to + 125 260 Unit mA A V mW V V mA mW mW V rms C C C Input Output *1 Pulse width <=100 s, Duty ratio : 0.001 *2 40 to 60% RH, AC for 1 minute *3 For 10 seconds " In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. " PC812 s Electro-optical Characteristics Parameter Symbol Conditions MIN. Forward voltage VF IF = 20mA Peak forward voltage V F M IFM = 0.5A Reverse current IR VR = 4V Terminal capacitance Ct V = 0, f = 1kHz Collector dark current ICEO VCE = 20V, IF = 0 *4 C T R IF = 5mA, VCE = 5V 90 Current transfer ratio Collector-emitter saturation voltage V CE ( sat ) IF = 20mA, IC = 1mA 5 x 1010 Isolation resistance R ISO DC500V, 40 to 60% RH V = 0, f = 1MHz Floating capacitance Cf VCE = 5V, IC = 2mA, RL = 100 , - 3dB 15 Cut-off frequency fc Rise time tr *4 Response time VCE = 2V, IC = 2mA, RL = 100 Fall time tf *5 Common mode rejection voltage V CM dV/dt = 2kV/ s, RL = 470 , Vnp = 100mV, IF = 0 *5 Test Circuit for VCM Model Rank No. mark PC812A A PC812B B PC812C C PC812 A , B o r C Measurement conditions CTR ( % ) 90 to 180 150 to 180 240 to 480 90 to 480 I = 5mA VCE = 5V Ta = 25C tr( s) tf ( s) TYP. MAX. TYP. MAX. 3 14 4 16 4 16 5 18 5 18 7 20 4 18 5 20 V CE = 2V IC = 2mA RL = 100 Ta = 25C TYP. 1.2 30 0.1 1011 0.6 80 4 5 1.5 ( Ta = 25C ) MAX. 1.4 3.0 10 200 10 - 7 480 0.2 1.0 18 20 Unit V V A pF A % V pF kHz s s kV Input Output Transfer characteristics *4 Classification table of current transfer ratio is shown below. VCC = 9V RL Vnp VCM VCM : Common mode rejection voltage ( higher value of pulse wave ) dV/dt : Rising factor of voltage Test condition Vnp = 100mV, RL = 470 dV/dt = 2kV/ s, I F = 0 Fig. 1 Forward Current vs. Ambient Temperature 60 Fig. 2 Collector Power Dissipation vs. Ambient Temperature 200 ( mW ) C 50 ( mA ) 40 30 Collector power dissipation P 0 25 50 75 a 150 Forward current I F 100 20 50 10 0 - 30 100 ( C ) 125 0 - 30 0 25 50 75 a 100 ( C ) 125 Ambient temperature T Ambient temperature T PC812 Fig. 3 Peak Forward Current vs. Duty Ratio 10 000 Peak forward current I FM ( mA ) 5 000 2 000 1 000 500 200 100 50 20 10 5 5 Fig. 4 Forward Current vs. Forward Voltage 500 200 Forward current IF ( mA ) 100 50 20 10 5 2 1 T a = 75C 50C 25C 0C - 25C Pulse width <=100 s T a = 25C 10 -3 2 5 10 -2 2 5 10 -1 2 5 1 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Duty ratio Forward voltage VF ( V ) Fig. 5 Current Transfer Ratio vs. Forward Current 500 VCE = 5V T a = 25C Current transfer ratio CTR ( % ) Fig. 6 Collector Current vs. Collector-emitter Voltage 40 I F = 30mA 35 ( mA ) 30 25 20 15 10 5mA 20mA 10mA P C ( MAX.) T a = 25C 400 300 200 100 5 0 1 2 5 10 20 50 0 0 1 2 3 4 5 6 7 8 9 10 Forward current I F ( mA ) Collector current I C Collector-emitter voltage VCE ( V ) Fig. 7 Relative Current Transfer Ratio vs. Ambient Temperature 150 I F = 5mA VCE = 5V Fig. 8 Collector-emitter Saturation Voltage vs. Ambient Temperature 0.16 Collector emitter saturation voltage VCE(sat) ( V ) 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0 - 30 0 20 40 60 80 Ambient temperature T a ( C ) 100 I F = 20mA I C = 1mA Relative current transfer ratio ( % ) 100 50 0 - 30 0 25 50 75 100 125 Ambient temperature T a ( C ) |
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