Thermal Model Parameters DESCRIPTION parametric values thermal mo
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SiE802DF_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 800.8191 7.3171 10.5922 49.1350 Ambient 10.0497 588.1963 47.1217 1.4789 Case Source 1.8836 225.2602 1.3129 1.1755 Case Source 49.6434 1.6560 48.9720 54.9761 Case Drain 13.9369 563.7347 258.5365 167.1992 Case Drain 347.5463 30.1854 65.7388 3.0297
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: 73659 Revision 29-Nov-05
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SiE802DF_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction
Note: indicates applicable
Ambient 8.6804 5.8765 5.9897 47.2176 Ambient 25.1275 145.2098 17.5646 1.2744
Case Source 2.7253 244.8002 1.7199 757.7684 Case Source 441.7276 1.4085 22.4924 24.3718
Case Drain 3.2505 262.0894 498.7416 240.9187 Case Drain 236.4508 2.5538 20.2395 8.9116
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: 73659 Revision 29-Nov-05
SiE802DF_RC
(A)j-f.opt, SiE802DF_j-c_S_M_txt
100us V(CT1:1)
1.0ms "j-c_S_M"
10ms Time
100ms
1.0s
(A)j-f.opt, SiE802DF_j-cDT_M_txt
100us V(CT1:1)
1.0ms "j-c_DT"
10ms Time
100ms
1.0s
(B)j-f.opt, SiE802DF_j-c_S_M_txt
(A)j-f.opt, SiE802DF_j-cDT_M_txt
100us V(CF1:1)
1.0ms "j-c_S_M"
10ms Time
100ms
1.0s
100us V(CF1:1)
1.0ms "j-c_DT"
10ms Time
100ms
1.0s
Document Number: 73659 Revision 29-Nov-05
www.vishay.com
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