SI4434DY-RC VISHAY [Vishay Siliconix], SI4434DY-RC Datasheet

SI4434DY-RC

Manufacturer Part Number

SI4434DY-RC

Description

R-C Thermal Model Parameters

Manufacturer

VISHAY [Vishay Siliconix]

Datasheet

1.SI4434DY-RC.pdf (3 pages)

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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: 74096

Revision 31-Aug-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

300.2025 m

35.3707 m

4.7707 m

Ambient

22.4894

38.0947

14.3700

4.6811

2.0586

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.

Case

N/A

Si4434DY_RC

Vishay Siliconix

891.0923 m

142.5144 m

17.9041 m

27.2659 m

1.3179 m

10.1982

4.0712

5.7147

Foot

www.vishay.com

Related parts for SI4434DY-RC

SI4434DY-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 4.6811 N/A 22.4894 N/A 38.0947 N/A 14.3700 N/A Thermal Capacitance (Joules/°C) Ambient Case 4.7707 m N/A 35.3707 m N/A 2.0586 N/A 300.2025 m N/A Si4434DY_RC Vishay Siliconix Foot 891.0923 m 4.0712 10.1982 5.7147 Foot 1.3179 m 17.9041 m 142.5144 m 27.2659 m www.vishay.com 1 ...

Page 2

... Si4434DY_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: 74096 Revision 31-Aug-05 Si4434DY_RC Vishay Siliconix www.vishay.com 3 ...

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