SI4684DY_RC Vaishali Semiconductor, SI4684DY_RC Datasheet

SI4684DY_RC

Manufacturer Part Number

SI4684DY_RC

Description

R-C Thermal Model Parameters

Manufacturer

Vaishali Semiconductor

Datasheet

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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:74111

Revision 14-Nov-05

R-C VALUES FOR TANK CONFIGURATION

Junction to

Thermal

RT1

RT2

RT3

RT4

CT1

CT2

CT3

CT4

Impedance

R-C Thermal Model Parameters

curves

93.6547 m

8.6182 m

Ambient

14.0940

11.8997

18.5795

5.4825

6.1489

3.2294

Thermal Capacitance (Joules/°C)

for

Thermal Resistance (°C/W)

the

R-C values for the electrical circuit in the Foster/Tank

configuration are included. The corresponding values

for the Cauer/Filter configuration are available upon

request.

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.

Case

N/A

Si4684DY_RC

Vishay Siliconix

www.DataSheet4U.com

617.0550 µ

18.1606 m

73.2626 m

9.1092 m

12.5420

2.7730

5.6035

6.9783

Foot

www.vishay.com

Related parts for SI4684DY_RC

SI4684DY_RC Summary of contents

Page 1

... P-SPICE, refer to Application Note AN609 Thermal Simulations Of Power MOSFETs on P-SPICE Platform. Thermal Resistance (°C/W) Ambient Case 5.4825 N/A 14.0940 N/A 11.8997 N/A 18.5795 N/A Thermal Capacitance (Joules/°C) Ambient Case 8.6182 m N/A 93.6547 m N/A 6.1489 N/A 3.2294 N/A Si4684DY_RC www.DataSheet4U.com Vishay Siliconix Foot 2.7730 5.6035 12.5420 6.9783 Foot 617.0550 µ 18.1606 m 73.2626 m 9.1092 m www.vishay.com 1 ...

Page 2

... Si4684DY_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:74111 Revision 14-Nov-05 Si4684DY_RC www.DataSheet4U.com Vishay Siliconix www.vishay.com 3 ...

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