Thermal Model Parameters DESCRIPTION parametric values thermal mo
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Si7224DN_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 4.2936 55.8743 15.4872 18.3449 Ambient 270.6081 1.1785 4.6975 59.7351 Ambient 8.1935 17.8438 12.7256 55.2371 Ambient 468.6693 52.5522 4.9237 1.7682 Foot Foot Case 2.8747 975.9883 644.5117 2.5048 Case 1.2121 181.7676 20.5911 1.2534 Case 1.6211 2.3928 499.7070 886.3930 Case 1.2956 2.7955 12.1729 268.2308
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: 69557 Revision: 29-Aug-07
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Si7224DN_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 5.4867 16.2228 18.1219 54.1686 Ambient 364.3348 4.0819 53.4796 1.1419
Ambient 7.5185 14.1968 18.3474 53.9373 Ambient 338.9454 2.7555 46.2999 1.7508
Foot Foot
Case 2.0099 1.6461 1.5817 1.7623 Case 186.1934 297.6603 425.7678 976.0633
Case 1.8053 1.3408 1.1147 1.1392 Case 260.3856 660.1799 347.4685 3.7122
Thermal Capacitance (Joules/°C)
Reference: Simple Method Generating Thermal Models Power MOSFET" Wharton McDaniel Kandarp Pandya, IEEE SEMITHERM 2002
www.vishay.com
Document Number: 69557 Revision: 29-Aug-07
Si7224DN_RC
Document Number: 69557 Revision: 29-Aug-07
www.vishay.com
Si7224DN_RC
www.vishay.com
Document Number: 69557 Revision: 29-Aug-07
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