Thermal Model Parameters DESCRIPTION parametric values thermal mo
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Si4348DY_RC
Thermal Model Parameters
DESCRIPTION parametric values thermal model have been derived using curve-fitting techniques. These techniques described Simple Method Generating Thermal Models Power MOSFET"[1]. When implemented P-Spice, these values have matching characteristic curves Single Pulse Transient Thermal Impedance curves MOSFET.
values electrical circuit Foster/Tank Cauer/Filter configurations included.
Note:
detailed explanation implementing these values P-SPICE, refer Application Note AN609 Thermal Simulations Power MOSFETs P-SPICE Platform.
THERMAL MODEL TANK CONFIGURATION
VALUES TANK CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Ambient 7.0326 31.8527 22.1132 34.0520 Ambient 2.7496 34.4605 1.7584 2.2526 Case Case Foot 716.8198 7.0984 12.5129 4.6596 Foot 141.0238 16.2604 63.2501 8.6457
Thermal Capacitance (Joules/°C)
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: 74085 Revision 29-Aug-05
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Si4348DY_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 6.6757 33.1967 23.8179 31.2883 Ambient 1.8058 28.1357 739.3195 986.5261
Case Case
Foot 3.7042 11.2875 5.0476 4.9439 Foot 2.1971 6.0784 67.7191 1.8491
Thermal Capacitance (Joules/°C)
Reference: Simple Method Generating Thermal Models Power MOSFET" Wharton McDaniel Kandarp Pandya, IEEE SEMITHERM 2002
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Document Number: 74085 Revision 29-Aug-05
Si4348DY_RC
Document Number: 74085 Revision 29-Aug-05
www.vishay.com
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