Si4463BDY-RC

Si4463BDY_RC
Vishay Siliconix
R-C Thermal Model Parameters
DESCRIPTION
The parametric values in the R-C thermal model have
been derived using curve-fitting techniques. These
techniques are described in "A Simple Method of
Generating Thermal Models for a Power MOSFET"[1].
When implemented in P-Spice, these values have
matching characteristic curves to the Single Pulse
Transient Thermal Impedance curves for the
MOSFET.
R-C values for the electrical circuit in the Foster/Tank
and Cauer/Filter configurations are included.
Note:
For a detailed explanation of implementing these values in
P-SPICE, refer to Application Note AN609 Thermal Simulations Of
Power MOSFETs on P-SPICE Platform.
R-C THERMAL MODEL FOR TANK CONFIGURATION
R-C VALUES FOR TANK CONFIGURATION
Thermal Resistance (°C/W)
Junction to
Ambient
Case
Foot
RT1
12.4145
N/A
6.9005
RT2
5.5325
N/A
1.7114
RT3
17.9828
N/A
5.2205
RT4
47.9591
N/A
7.1734
Thermal Capacitance (Joules/°C)
Junction to
Ambient
Case
Foot
CT1
51.6626 m
N/A
9.9576 m
CT2
3.8480 m
N/A
1.6896 m
CT3
95.4066 m
N/A
590.0730 m
CT4
1.2945
N/A
103.8321 m
This document is intended as a SPICE modeling guideline and does not constitute a commercial product data sheet. Designers should refer to the appropriate data
sheet of the same number for guaranteed specification limits.
Document Number: 70346
Revision 19-Mar-07
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Si4463BDY_RC
Vishay Siliconix
R-C THERMAL MODEL FOR FILTER CONFIGURATION
R-C VALUES FOR FILTER CONFIGURATION
Thermal Resistance (°C/W)
Junction to
Ambient
Case
Foot
RF1
7.1123
N/A
1.7297
RF2
21.6802
N/A
8.3335
RF3
11.9787
N/A
7.8025
RF4
43.3749
N/A
3.1510
Thermal Capacitance (Joules/°C)
Junction to
Ambient
Case
Foot
CF1
3.9704 m
N/A
1.0495 m
CF2
27.4275 m
N/A
7.2549 m
CF3
182.3145 m
N/A
100.9652 m
CF4
1.2432
N/A
595.1445 m
Note: NA indicates not applicable
Reference:
[1] "A Simple Method of Generating Thermal Models for a Power MOSFET" by Wharton McDaniel and Kandarp Pandya, IEEE / SEMITHERM 2002
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Document Number: 70346
Revision 19-Mar-07
Si4463BDY_RC
Vishay Siliconix
Document Number: 70346
Revision 19-Mar-07
www.vishay.com
3