Thermal Model Parameters parametric values thermal model have bee
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Si4829DY_RC
Thermal Model Parameters
parametric values thermal model have been derived using curve-fitting techniques. values electrical circuit Foster/Tank Cauer/Filter configurations included. When implemented P-Spice, these values have matching characteristic curves single-pulse transient thermal impedance curves MOSFET. These values used P-SPICE simulation evaluate thermal behavior MOSFET junction temperature under defined power profile. These techniques described Application Note AN609, "Thermal Simulation Power MOSFETs P-Spice Platform."
THERMAL MODEL TANK CONFIGURATION
VALUES TANK CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Ambient CH-1-Schtky 8.0569 23.3179 37.3670 41.2582 Ambient CH-1-Schtky 36.0122 1.7537 19.4447 583.6896 Ambient CH-2-Mos 10.7677 31.5090 22.3689 45.3544 Thermal Capacitance (Joules/°C) Ambient CH-2-Mos 48.9919 49.1773 3.6701 1.5378 Foot CH-1-Schtky 77.0818 6.2677 60.6550 812.5700 Foot CH-2-Mos 76.2765 4.4897 92.0322 1.0286 Foot CH-1-Schtky 19.4787 20.6354 5.2804 9.6055 Foot CH-2-Mos 10.3256 17.0738 3.5711 9.0295
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: 68827 Revision: 02-Jul-08
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Si4829DY_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Note indicates applicable Ambient CH-1-Schtky 9.7619 29.7961 33.7741 36.6679 Ambient CH-1-Schtky 57.9766 1.9414 25.6616 673.6599 Ambient CH-2-Mos 13.0039 22.3467 30.7887 43.8607 Thermal Capacitance (Joules/°C) Ambient CH-2-Mos 92.4244 3.8067 41.1363 1.5190 Foot CH-1-Schtky 74.8125 1.2901 9.7250 171.5880 Foot CH-2-Mos 93.0083 1.1321 7.5917 215.7949 Foot CH-1-Schtky 8.0128 14.7112 20.9570 11.3190 Foot CH-2-Mos 5.4872 15.4698 13.3751 5.6679
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Document Number: 68827 Revision: 02-Jul-08
Si4829DY_RC
Document Number: 68827 Revision: 02-Jul-08
www.vishay.com
Si4829DY_RC
www.vishay.com
Document Number: 68827 Revision: 02-Jul-08
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