Thermal Model Parameters DESCRIPTION parametric values thermal mo
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Si4788CY_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 11.3873 21.4807 25.6633 36.4687 Ambient 4.1366 29.1127 277.1485 3.4842 Case Case Foot 1.4142 6.1983 7.5534 4.8341 Foot 3.7679 39.4472 9.7121 210.7840
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: 74614 Revision: 08-May-07
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Si4788CY_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 15.2221 24.5413 25.5612 29.6754 Ambient 3.6085 27.7694 341.2443 4.1985
Case Case
Foot 1.6289 10.8312 5.1986 2.3413 Foot 1.2595 5.9565 39.6039 318.6121
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: 74614 Revision: 08-May-07
Si4788CY_RC
Document Number: 74614 Revision: 08-May-07
www.vishay.com
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