Thermal Model Parameters DESCRIPTION parametric values thermal mo
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SiA813DJ_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 Mosfet 28.2299 13.6699 25.0926 43.0076 Ambient Mosfet 2.2902 103.0879 41.0625 1.1333 Ambient Schottky 13.2141 15.5933 16.7952 39.3974 Ambient Schottky 53.2786 1.2006 28.3033 894.4606 Foot Foot Case Mosfet 2.2722 2.0701 9.3065 2.3512 Case Mosfet 1.3976 56.1708 110.4543 1.5513 Case Schottky 5.3471 1.7427 3.9683 5.9419 Case Schottky 745.9934 50.2230 209.3649 1.7658
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: 68346 Revision: 18-Jan-08
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SiA813DJ_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient Mosfet 14.2316 31.2017 23.4768 41.0899 Ambient Mosfet 92.0097 2.0230 43.4126 1.1315
Ambient Schottky 16.7469 17.1679 14.6943 36.3909 Ambient Schottky 61.1928 2.1028 59.4980 945.9847
Foot Foot
Case Mosfet 8.7935 3.8630 1.7348 1.6087 Case Mosfet 44.6639 233.0753 111.8383 532.2817
Case Schottky 5.7550 7.7276 1.9243 1.5931 Case Schottky 53.3243 369.2262 829.0503 9.9427
Thermal Capacitance (Joules/°C)
Reference: Simple Method Generating Thermal Models Power MOSFET" Wharton McDaniel Kandarp Pandya, IEEE SEMITHERM 2002
www.vishay.com
Document Number: 68346 Revision: 18-Jan-08
SiA813DJ_RC
Document Number: 68346 Revision: 18-Jan-08
www.vishay.com
SiA813DJ_RC
www.vishay.com
Document Number: 68346 Revision: 18-Jan-08
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