Thermal Model Parameters DESCRIPTION parametric values thermal mo
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Si4500BDY_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 6.0545 17.2439 24.6116 46.8942 Ambient 758.3167 16.7936 161.2268 1.4835 Ambient 6.2738 13.3174 26.7131 48.0832 Ambient 367.4853 10.8942 96.9052 1.5761 Case Case Foot 8.2801 946.9524 2.2557 10.4672 Foot 8.0720 1.4542 1.7482 119.4180 Foot 10.3324 2.2401 3.2629 10.1175 Foot 6.5828 754.7546 1.0484 116.6314
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: 74676 Revision 08-May-07
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Si4500BDY_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 7.5642 18.4895 26.0950 42.5245 Ambient 947.4298 15.0457 121.8680 1.4316
Ambient 6.8208 15.2713 27.3218 44.9440 Ambient 431.7272 9.2834 81.4055 1.5389
Case Case
Foot 3.0698 8.3084 8.6396 1.9890 Foot 639.6264 5.1273 79.2674 914.3533
Foot 6.5004 6.5976 4.5412 8.3279 Foot 409.9855 6.5231 1.9847 140.8816
Thermal Capacitance (Joules/°C)
Reference: Simple Method Generating Thermal Models Power MOSFET" Wharton McDaniel Kandarp Pandya, IEEE SEMITHERM 2002
www.vishay.com
Document Number: 74676 Revision 08-May-07
Si4500BDY_RC
Document Number: 74676 Revision 08-May-07
www.vishay.com
Si4500BDY_RC
www.vishay.com
Document Number: 74676 Revision 08-May-07
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