CHARACTERISTICS attached spice model describes typical electrical
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SPICE Device Model Si1405BDH Vishay Siliconix P-Channel 1.8-V (G-S) MOSFET
CHARACTERISTICS
attached spice model describes typical electrical characteristics p-channel vertical DMOS. subcircuit model extracted optimized over 125°C temperature ranges under pulsed gate drive. saturated output impedance best gate bias near threshold voltage. novel gate-to-drain feedback capacitance network used model gate charge characteristics while avoiding convergence difficulties switched model. model parameter values optimized provide best measured electrical data intended exact physical interpretation device.
SUBCIRCUIT MODEL SCHEMATIC
This document intended SPICE modeling guideline does constitute commercial product data sheet. Designers should refer appropriate data sheet same number guaranteed specification limits. Document Number: 74888 S-71490Rev. 23-Jul-07 www.vishay.com
SPICE Device Model Si1405BDH Vishay Siliconix
SPECIFICATIONS 25°C UNLESS OTHERWISE NOTED) Parameter Static
Gate Threshold Voltage On-State Drain Current
Symbol
Test Condition
Simulated Data
0.83 0.078 0.122 0.178 -0.75
Measured Data
Unit
VGS(th) ID(on)
VGS, -250 -4.5 -4.5 -2.8
0.091 0.132 0.171 -0.80
Drain-Source On-State Resistancea
rDS(on)
-2.5 -2.3 -1.8 -0.50
Forward Transconductancea Diode Forward Voltage
-2.8 -1.4
Dynamic
Input Capacitance Output Capacitance Reverse Transfer Capacitance Total Gate Charge Gate-Source Charge Gate-Drain Charge
Ciss Coss Crss -4.5 -2.8A
0.61 0.98
3.67 0.61 0.98
Notes Pulse test; pulse width duty cycle Guaranteed design, subject production testing.
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Document Number: 74888 S-71490Rev. 23-Jul-07
SPICE Device Model Si1405BDH Vishay Siliconix
COMPARISON MODEL WITH MEASURED DATA (TJ=25°C UNLESS OTHERWISE NOTED)
Document Number: 74888 S-71490Rev. 23-Jul-07
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product specifications data subject change without notice. Vishay Intertechnology, Inc., affiliates, agents, employees, persons acting their behalf (collectively, "Vishay"), disclaim liability errors, inaccuracies incompleteness contained herein other disclosure relating product. Vishay disclaims liability arising application product described herein information provided herein maximum extent permitted law. product specifications expand otherwise modify Vishay's terms conditions purchase, including limited warranty expressed therein, which apply these products. license, express implied, estoppel otherwise, intellectual property rights granted this document conduct Vishay. products shown herein designed medical, life-saving, life-sustaining applications unless otherwise expressly indicated. Customers using selling Vishay products expressly indicated such applications entirely their risk agree fully indemnify Vishay damages arising resulting from such sale. Please contact authorized Vishay personnel obtain written terms conditions regarding products designed such applications. Product names markings noted herein trademarks their respective owners.
Document Number: 91000 Revision: 18-Jul-08
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