SI5484DU-RC VAISH [Vaishali Semiconductor], SI5484DU-RC Datasheet

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SI5484DU-RC

Manufacturer Part Number
SI5484DU-RC
Description
R-C Thermal Model Parameters
Manufacturer
VAISH [Vaishali Semiconductor]
Datasheet
1.SI5484DU-RC.pdf (3 pages)
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
MOSFET.
R-C THERMAL MODEL FOR TANK CONFIGURATION
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: 73728
Revision 13-Jan-06
R-C VALUES FOR TANK CONFIGURATION
Junction to
Junction to
Thermal
RT1
RT2
RT3
RT4
CT1
CT2
CT3
CT4
Impedance
R-C Thermal Model Parameters
curves
178.1933 m
13.3151 m
2.1071 m
Ambient
Ambient
19.4536
15.0558
48.9104
5.5431
1.4793
Thermal Capacitance (Joules/°C)
for
Thermal Resistance (°C/W)
the
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.
686.5381 u
190.7991 u
28.8945 m
1.3230 m
1.2716 m
1.1108
1.4224
1.4419
Case
Case
Si5484DU_RC
Vishay Siliconix
Foot
Foot
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
www.vishay.com
1

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SI5484DU-RC Summary of contents

Page 1

... P-SPICE, refer to Application Note AN609 Thermal Simulations Of curves for the Power MOSFETs on P-SPICE Platform. Thermal Resistance (°C/W) Ambient Case 5.5431 28.8945 m 19.4536 1.1108 15.0558 1.4224 48.9104 1.4419 Thermal Capacitance (Joules/°C) Ambient Case 2.1071 m 686.5381 u 13.3151 m 190.7991 u 178.1933 m 1.3230 m 1.4793 1.2716 m Si5484DU_RC Vishay Siliconix Foot N/A N/A N/A N/A Foot N/A N/A N/A N/A www.vishay.com 1 ...

Page 2

... Si5484DU_RC Vishay Siliconix R-C THERMAL MODEL FOR FILTER CONFIGURATION R-C VALUES FOR FILTER CONFIGURATION Junction to RF1 RF2 RF3 RF4 Junction to CF1 CF2 CF3 CF4 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 www ...

Page 3

... Document Number: 73728 Revision 13-Jan-06 Si5484DU_RC Vishay Siliconix www.vishay.com 3 ...

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