SPICE MODEL of PC111LY in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.

1. Device Modeling Report
COMPONENTS: PHOTOCOUPLER
PART NUMBER: PC111LY
MANUFACTURER: SHARP
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

2. DIODE MODEL
Pspice model
Model description
Parameter
IS Saturation Current
N Emission Coefficient
RS Series Resistance
IKF High-injection Knee Current
CJO Zero-bias Junction Capacitance
M Junction Grading Coefficient
VJ Junction Potential
ISR Recombination Current Saturation Value
BV Reverse Breakdown Voltage(a positive value)
IBV Reverse Breakdown Current(a positive value)
TT Transit Time
BIPOLAR JUNCTION TRANSISTOR MODEL
Pspice
model Model description
parameter
NR Reverse Emission Coefficient
RB Base Resistance
RC Series Collector Resistance
CJE Zero-bias Emitter-Base Junction Capacitance
CJC Zero-bias Collector-Base Junction Capacitance
TF Forward Transit Time
TR Reverse Transit Time
VOLTAGE CONTROLLED VOLTAGE SOURCE MODEL(VCVS)
E<Name><(+)Node><(－)Node>VALUE={Expression}
E<Name><(+)Node><(－)Node>TABLE={Expression}
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

3. VOLTAGE CONTROLLED CURRENT SOURCE MODEL(VCCS)
E<Name><(+)Node><(－)Node>VALUE={Expression}
CURRENT CONTROLLED MODEL(W)
Pspice
model Model description
parameter
IOFF Controlling current to Off state
ION Controlling current to On state
ROFF Off Resistance
RON On Resistance
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

4. Input Device Forward Current Characteristics
Measurement
Simulation
Input Device Junction Capacitance Characteristics
Measurement
Simulation
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

5. Input Device Reverse Recovery Characteristics
Measurement
trj= 244 n(s)
trb= 160 n(s)
Conditions:Ifwd=Irev=0.04(A),Rl=50
Example
Relation between trj and trb
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

6. LED IV Curve Characteristics
Simulation result
500mA
Simulation
100mA
10mA
1.0mA
0V 0.5V 1.0V 1.5V 2.0V 2.5V 3.0V 3.5V
I(I1)
V(U3:A)
Evaluation Circuit
U3
1 6
A NC
V1
2 5
50mAdc I1 K C 2Vdc
3 4
NC2 E
pc111ly
0 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

7. Comparison Graph
Comparison Table
Vfwd(V)
Ifwd(A) % Error
Measurement Simulation
0.001 1.060 1.056 -0.377
0.002 1.080 1.088 0.741
0.005 1.140 1.140 0.000
0.01 1.190 1.195 0.420
0.02 1.280 1.266 -1.094
0.05 1.400 1.403 0.214
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

8. Transistor Saturation Characteristics
Simulation result
200mV
Simulation
100mV
0V
0s 50ms 100ms
V(I2:-)
Time
Evaluation Circuit
U3
1 6
A NC
I1
2 5 I2
20mAdc K C
1mAdc
3 4
NC2 E
pc111ly
0 0
Comparison Table
RBE= ∞ Measurement Simulation % Error
Vce(sat) (V) 0.100 0.100 0.000
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

9. CTR(Current Transfer Ratio) Characteristics
Simulation result
200
180
160
Simulation
140
120
100
80
60
40
20
0
200uA 1.0mA 10mA 100mA
(IC(X_U1.Q_Q1)/ I(X_U1.D_D1))*100
I_I1
Evaluation Circuit
V3
V2
0Vdc
0Vdc
U1
1 6
A NC
V1
2 5 5Vdc
I1 K C
20mAdc 3 4
NC2 E
pc111ly
0 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

10. Rise Curve Table
CTR(%)
If(mA) % Error
Measurement Simulation
0.200 13.000 13.294 2.262
0.500 36.000 36.763 2.119
1.000 56.000 54.560 -2.571
2.000 74.000 72.259 -2.353
8.000 110.000 107.635 -2.150
10.000 113.000 113.812 0.719
Fall Curve Table
CTR(%)
If(mA) % Error
Measurement Simulation
10.000 113.00 113.812 0.719
20.000 109.000 106.875 -1.950
30.000 103.000 99.375 -3.519
40.000 95.000 92.642 -2.482
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

11. Switching Time Characteristics
Simulation result
20mA 3.0V
1 2
Simulation
2.0V
10mA
1.0V
>>
0A 0V
0s 50us 100us 150us 200us
1 I(V1) 2 V(U2:C)
Time
Evaluation Circuit
V1
0Vdc
I1 = 0
I2 = 20m RL
TD = 0 U2
TF = 10n 1 6 100
TR = 10n I2 A NC
PW = 20u
PER = 500u 2 5 V2
K C
2Vdc
3 4
NC2 E
pc111ly
0 0
Comparison Table
Vce=2V,RL=100 Measurement Simulation % Error
ts (us) 0.600 0.603 0.500
tf (us) 6.000 6.041 0.683
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006