SPICE MODEL of OSWT5111A , White ,TA=25degree (Standard Model) in SPICE PARK
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This document summarizes the PSpice model and characterization of an LED component. It includes 3 sections: [1] an overview of the PSpice model parameters; [2] simulation results showing the forward current, capacitance, and reverse recovery characteristics match measurements within 1%; [3] reference graphs of the measurement setups and characteristics.
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SPICE MODEL of OSWT5111A , White ,TA=25degree (Standard Model) in SPICE PARK
- 1. Device Modeling Report COMPONENTS: Light-Emitting Diode (LED) STANDARD PART NUMBER: OSWT5111A MANUFACTURER: OPTO SUPPLY REMARK: 25 degree C Bee Technologies Inc. All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 2. 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. 2005
- 3. Forward Current Characteristic Circuit Simulation Result Evaluation Circuit R1 0.01m V1 D1 0Vdc OSWT5111A_25C 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 4. Forward Current Characteristic Reference OSWT5111A_25˚C All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 5. Comparison Graph Circuit Simulation Result Simulation Result Vfwd(V) Vfwd(V) Ifwd(A) Measurement Simulation %Error 0.2 2.62 2.623 0.1145 0.5 2.695 2.694 0.0371 1 2.765 2.76 0.1808 2 2.85 2.843 0.2456 5 2.98 2.98 0 10 3.115 3.117 0.0642 20 3.305 3.313 0.2420 50 3.765 3.757 0.2124 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 6. Capacitance Characteristic Circuit Simulation Result Evaluation Circuit V2 0Vdc V2 = 4.5 V1 V1 = 0 D1 TD = 0 TR = 10ns TF = 50ns PW = 5us PER = 10us OSWT5111A_25C 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 7. Comparison Graph Circuit Simulation Result Simulation Result Cj(pF) Cj(pF) Vrev(V) Measurement Simulation %Error 0 68.388 68.388 0 0.1 67.835 67.766 0.1017 0.2 67.33 67.199 0.1945 0.5 66 66.014 0.0212 1 64.64 64.893 0.3913 2 63.37 63.444 0.1167 4.5 61.65 61.49 0.2595 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 8. Reverse Recovery Characteristic Circuit Simulation Result Evaluation Circuit R1 50 V2 = 3.47V V1 V1 = 1.47V TD = 0 D1 TR = 10ns TF = 10ns PW = 20us PER = 50us OSWT5111A_25C 0 Compare Measurement vs. Simulation Symbol Measurement Unit Simulation Unit %Error Trr=trj+trb 34.4 ns 34.29 ns 0.32079 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 9. Reverse Recovery Characteristic Reference TA=25C Measurement Trj =11.2(ns) Trb=23.2(ns) Conditions: Ifwd=Irev=0.02(A), Rl=50 Example Relation between trj and trb All Rights Reserved Copyright (C) Bee Technologies Inc. 2005