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Device Modeling Report




COMPONENTS: DIODE/ GENERAL PURPOSE
RECTIFIER/ STANDARD MODEL
PART NUMBER: MA4S111
MANUFACTURER: Panasonic




                Bee Technologies Inc.




   All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                  1
Circuit Configuration


          D1
          DMA4S111




             All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                            2
DIODE MODEL PARAMETERS
  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
    EG          Energy-band Gap




             All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                            3
Forward Current Characteristics

Circuit Simulation result



               1.0KA




                100A




                 10A




                1.0A




               100mA




                10mA
                       0V           0.2V        0.4V           0.6V   0.8V    1.0V   1.2V
                            I(R1)
                                                               V_V1




Evaluation circuit


                                                       R1

                                                       0.01m

                                           V1                            D1
                                                                         DMA4S111




                                           0




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                                            4
Comparison Graph

Circuit Simulation result




Comparison table


                                             VF (V)
              IF (mA)                                                       %Error
                                Measurement           Simulation
                     0.05                0.483                 0.478              -1.04
                        0.1              0.516                 0.512              -0.78
                        0.2              0.543                 0.546              0.55
                        0.5              0.590                 0.591              0.17
                            1            0.623                 0.625              0.32
                            2            0.660                 0.660              0.00
                            5            0.706                 0.708              0.28
                        10               0.750                 0.747              -0.40
                        20               0.796                 0.791              -0.63
                        50               0.860                 0.864              0.47
                      100                0.930                 0.930              0.00


                   All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                                          5
Junction Capacitance Characteristic

Circuit Simulation result



              1.2p



              1.0p



              0.8p



              0.6p



              0.4p



              0.2p



                 0
                     0V         20V       40V           60V    80V          100V    120V
                          I(V2)/(100V/10ns)
                                                        V(R)



Evaluation circuit

                                                   V2
                                           R

                                                   0

                              V1 = 0       V1                        D1
                              V2 = 100                               DMA4S111
                              TD = 0
                              TR = 10ns
                              TF = 10ns
                              PW = 5us
                              PER = 10us


                                               0




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                                           6
Comparison Graph

Circuit Simulation result




Comparison table


                                             C (pF)
              VR (V)                                                        %Error
                                Measurement           Simulation
                            2            0.477                 0.473              -0.84
                            5            0.460                 0.467              1.52
                       10                0.450                 0.463              2.89
                       20                0.437                 0.454              3.89
                       50                0.437                 0.437              0.00
                       80                0.437                 0.423              -3.20




                   All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                                          7
Reverse Recovery Characteristics

Circuit Simulation result


                      400mA


                      300mA


                      200mA


                      100mA


                       -0mA


                     -100mA


                     -200mA


                     -300mA


                     -400mA
                         0.97us     0.99us       1.01us          1.03us     1.05us   1.07us
                              I(D1)
                                                          Time

Evaluation circuit

                                                  R1

                                                  50

                              V1 = -9.47V   V1
                              V2 = 10.54V                                 D1
                              TD = 0                                      DMA4S111
                              TR = 10n
                              TF = 1n
                              PW = 1u
                              PER = 100u



                                            0




    Comparison Measurement vs. Simulation
       Parameter           Unit         Measurement              Simulation           %Error
             trj              ns                 3.60                       3.70              2.78




                      All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                                                     8
Reverse Recovery Characteristics                                                Reference




                                                       Measurement




Trj = 3.60 (ns)
Trb = 2.00 (ns)
Conditions: Ifwd = lrev = 0.20(A), Rl = 50




                                                        Example




                               Relation between trj and trb




                 All Rights Reserved Copyright (C) Bee Technologies Inc. 2011
                                                                                        9