Thermal Model Parameters DESCRIPTION parametric values thermal mo
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Si4501ADY_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 7.7373 22.0594 20.4631 44.7402 Ambient 3.6025 87.7105 15.3555 1.8351 Ambient 3.5528 25.0379 19.1906 47.2187 Ambient 620.2640 55.6594 8.3166 1.5533 Case Case Foot 1.1556 6.0797 7.7724 7.9923 Foot 1.4874 43.9899 7.0526 230.1983 Foot 1.6709 6.8182 8.4506 9.0603 Foot 469.5647 25.9751 4.8627 159.5792
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: 74675 Revision 08-May-07
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Si4501ADY_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 15.2291 27.7658 12.1439 39.8612 Ambient 3.1519 17.9897 301.8091 1.7350
Ambient 6.7558 22.4828 20.0283 45.7331 Ambient 1.2953 7.3291 58.2925 1.5863
Case Case
Foot 2.1532 9.5153 6.2303 5.1012 Foot 1.5911 4.7838 42.4158 332.9631
Foot 2.6696 9.6801 6.3877 7.2626 Foot 577.0627 3.7734 15.4797 195.0300
Thermal Capacitance (Joules/°C)
Reference: Simple Method Generating Thermal Models Power MOSFET" Wharton McDaniel Kandarp Pandya, IEEE SEMITHERM 2002
www.vishay.com
Document Number: 74675 Revision 08-May-07
Si4501ADY_RC
Document Number: 74675 Revision 08-May-07
www.vishay.com
Si4501ADY_RC
www.vishay.com
Document Number: 74675 Revision 08-May-07
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