Thermal Model Parameters parametric values thermal model have bee
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Si7748DP_RC
Thermal Model Parameters
parametric values thermal model have been derived using curve-fitting techniques. values electrical circuit Foster/Tank Cauer/Filter configurations included. When implemented P-Spice, these values have matching characteristic curves single-pulse transient thermal impedance curves MOSFET. These values used P-SPICE simulation evaluate thermal behavior MOSFET junction temperature under defined power profile. These techniques described Application Note AN609, "Thermal Simulation Power MOSFETs P-Spice Platform."
THERMAL MODEL TANK CONFIGURATION
VALUES TANK CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Ambient 7.6691 9.6873 1.2814 49.3622 Ambient 61.3086 463.2876 3.1110 1.4462 Case 313.7497 989.3708 305.3409 591.5386 Case 987.7539 14.0212 4.8203 24.5851 Foot Foot
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: 68877 Revision: 23-Jul-08
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Si7748DP_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Note indicates applicable Ambient 1.7079 11.7345 10.9997 43.5579 Ambient 3.3514 62.6881 403.7794 1.1413 Case 634.3858 660.8575 304.5506 600.2061 Case 890.4959 6.0595 1.0483 11.0543 Foot Foot
Thermal Capacitance (Joules/°C)
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Document Number: 68877 Revision: 23-Jul-08
Si7748DP_RC
Document Number: 68877 Revision: 23-Jul-08
www.vishay.com
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