Thermal Model Parameters DESCRIPTION parametric values thermal mo
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Si4724CY_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 2.3439 26.9817 21.0135 54.6609 Ambient 4.8369 104.6846 14.6919 1.2039 Ambient 2.4039 31.5605 15.6551 35.3805 Ambient 16.5783 175.6141 34.7178 1.1923 Case Case Foot 10.8513 10.9954 3.3186 9.8347 Foot 126.3851 25.5136 1.1793 10.9613 Foot 10.0385 8.6825 2.1839 3.0952 Foot 2.0263 167.0378 1.3426 44.5532
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: 74613 Revision: 08-May-06
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Si4724CY_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 12.9349 29.2964 29.0996 33.6691 Ambient 5.6543 23.4095 387.1060 1.8093
Ambient 14.7665 27.4412 24.7704 18.0219 Ambient 15.2614 68.2351 295.0292 2.3726
Case Case
Foot 4.3132 15.2936 9.5539 5.8393 Foot 978.2987 6.2472 16.5248 255.7887
Foot 2.1771 4.3684 8.8139 8.6406 Foot 1.1393 27.8130 135.4733 2.1878
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: 74613 Revision: 08-May-06
Si4724CY_RC
Document Number: 74613 Revision: 08-May-06
www.vishay.com
Si4724CY_RC
www.vishay.com
Document Number: 74613 Revision: 08-May-06
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