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| SPICE Device Model SUD40N02-08 Vishay Siliconix N-Channel 20-V (D-S), 175C MOSFET CHARACTERISTICS * N-Channel Vertical DMOS * Macro Model (Subcircuit Model) * Level 3 MOS * Apply for both Linear and Switching Application * Accurate over the -55 to 125C Temperature Range * Model the Gate Charge, Transient, and Diode Reverse Recovery Characteristics DESCRIPTION The attached spice model describes the typical electrical characteristics of the n-channel vertical DMOS. The subcircuit model is extracted and optimized over the -55 to 125C temperature ranges under the pulsed 0 to 10V gate drive. The saturated output impedance is best fit at the gate bias near the threshold voltage. A novel gate-to-drain feedback capacitance network is used to model the gate charge characteristics while avoiding convergence difficulties of the switched Cgd model. All model parameter values are optimized to provide a best fit to the measured electrical data and are not intended as an exact physical interpretation of the device. SUBCIRCUIT MODEL SCHEMATIC This document is intended as a SPICE modeling guideline and does not constitute a commercial product data sheet. Designers should refer to the appropriate data sheet of the same number for guaranteed specification limits. Document Number: 71017 05-Jun-04 www.vishay.com 1 SPICE Device Model SUD40N02-08 Vishay Siliconix SPECIFICATIONS (TJ = 25C UNLESS OTHERWISE NOTED) Parameter Static Gate Threshold Voltage On-State Drain Current a Symbol Test Conditions Simulated Data 0.86 339 0.0065 0.0106 0.012 0.90 Measured Data Unit VGS(th) ID(on) VDS = VGS, ID = 250 A VDS = 5 V, VGS = 4.5 V VGS = 4.5 V, ID = 20 A V A 0.0068 0.0104 0.011 1.2 V Drain-Source On-State Resistancea rDS(on) VGS = 4.5 V, ID = 20 A, TJ = 125C VGS = 2.5 V, ID = 20 A Forward Voltagea VSD IF = 100 A, VGS = 0 V Dynamic b Input Capacitance Output Capacitance Reverse Transfer Capacitance Total Gate Chargec Gate-Source Charge Gate-Drain Chargec Turn-On Delay Timec Rise Time c c Ciss Coss Crss Qg Qgs Qgd td(on) tr td(off) tf trr IF = 40 A, di/dt = 100 A/s VDD = 10 V, RL = 0.25 ID 40 A, VGEN = 4.5 V, RG = 2.5 VDS = 10 V, VGS = 4.5 V, ID = 40 A VGS = 0 V, VDS = 20 V, f = 1 MHz 2753 768 304 26 5 7 19 30 76 49 31 2660 730 375 26 5 7 20 120 45 20 35 ns nC pF Turn-Off Delay Timec Fall Timec Source-Drain Reverse Recovery Time Notes a. Pulse test; pulse width 300 s, duty cycle 2%. b. Guaranteed by design, not subject to production testing. c. Independent of operating temperature. www.vishay.com 2 Document Number: 71017 05-Jun-04 SPICE Device Model SUD40N02-08 Vishay Siliconix COMPARISON OF MODEL WITH MEASURED DATA (TJ=25C UNLESS OTHERWISE NOTED) Document Number: 71017 05-Jun-04 www.vishay.com 3 |
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