Thermal Model Parameters parametric values thermal model have bee
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Si5853DDC_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-Mosfet 12.6250 29.7962 35.5399 52.0389 Ambient-Mosfet 91.2361 27.7915 1.3857 1.6673 Foot-Mosfet 16.4681 2.1657 5.9413 15.4249 Thermal Capacitance (Joules/°C) Foot-Mosfet 1.5280 20.2105 66.0406 412.6608 Ambient-Schtky 41.3949 734.0348 11.0792 923.3217 Foot-Schtky 1.3689 3.6143 33.7753 211.4587 Ambient-Schtky 21.0048 35.1756 37.6724 31.1472 Foot-Schtky 13.4802 8.0825 11.1569 17.2804
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: 69018 Revision: 21-Oct-08
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Si5853DDC_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Note indicates applicable Ambient-Mosfet 13.3993 35.8098 29.5435 51.2474 Ambient-Mosfet 74.2741 1.1351 22.7507 1.6570 Foot-Mosfet 9.8134 24.4555 5.5202 210.9000 Thermal Capacitance (Joules/°C) Foot-Mosfet 60.6268 388.3769 7.2412 35.4010 Ambient-Schtky 40.2733 608.7231 8.0253 850.8547 Foot-Schtky 24.0406 128.7511 1.1555 20.9502 Ambient-Schtky 23.8969 32.3853 37.3432 31.3746 Foot-Schtky 12.8681 21.6355 15.3008 195.6000
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Document Number: 69018 Revision: 21-Oct-08
Si5853DDC_RC
Document Number: 69018 Revision: 21-Oct-08
www.vishay.com
Si5853DDC_RC
www.vishay.com
Document Number: 69018 Revision: 21-Oct-08
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