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| SPICE Device Model SUU/SUD50N04-25P Vishay Siliconix N-Channel 40-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-V to 10-V 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: 74356 S-62520Rev. A, 18-Dec-06 www.vishay.com 1 SPICE Device Model SUU/SUD50N04-25P Vishay Siliconix SPECIFICATIONS (TJ = 25C UNLESS OTHERWISE NOTED) Parameter Static Gate Threshold Voltage On-State Drain Current a Symbol Test Condition Simulated Data 1.5 494 0.018 0.021 0.86 31 Measured Data Unit VGS(th) ID(on) rDS(on) VSD gfs VDS = VGS, ID = 250 A VDS 5 V, VGS = 10 V VGS = 10 V, ID = 15 A VGS = 4.5 V, ID = 10 A IS = 10 A VDS =15V, ID = 15 A V A 0.016 0.020 0.87 42 V S Drain-Source On-State Resistancea Forward Voltagea Forward Transconductancea b Dynamic Input Capacitance Output Capacitance Reverse Transfer Capacitance Total Gate Chargec Gate-Source Chargec Gate-Drain Chargec Ciss Coss Crss Qg Qgs Qgd VDS = 20 V, VGS = 10 V, ID = 30 A VDS = 20 V, VGS = 0 V, f = 1 MHz 1376 152 68 22 11 VDS = 20 V, VGS = 4.5 V, ID = 30 A 3.2 4.2 1195 150 80 25 11.4 3.2 4.2 nC pF 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: 74356 S-62520Rev. A, 18-Dec-06 SPICE Device Model SUU/SUD50N04-25P Vishay Siliconix COMPARISON OF MODEL WITH MEASURED DATA (TJ=25C UNLESS OTHERWISE NOTED) Document Number: 74356 S-62520Rev. A, 18-Dec-06 www.vishay.com 3 |
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