PC33926PNBSLASHR2 datasheet(21/25 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33926

ADDITIONAL DOCUMENTATION

THERMAL ADDENDUM (REV 2.0)

ADDITIONAL DOCUMENTATION

THERMAL ADDENDUM (REV 2.0)

Introduction

This thermal addendum is provided as a supplement to the MC33926 technical

datasheet. The addendum provides thermal performance information that may be

critical in the design and development of system applications. All electrical,

application, and packaging information is provided in the datasheet.

Packaging and Thermal Considerations

The MC33926 is offered in a 32 pin PQFN, single die package. There is a single

heat source (P), a single junction temperature (TJ), and thermal resistance (RθJA).

The stated values are solely for a thermal performance comparison of one

package to another in a standardized environment. This methodology is not meant

to and will not predict the performance of a package in an application-specific

environment. Stated values were obtained by measurement and simulation

according to the standards listed below.

STANDARDS

Figure 15. Surface Mount for Power PQFN

with Exposed Pads

32-PIN

PQFN

33926

PNB SUFFIX

98ARL10579D

32-PIN PQFN

8.0 mm x 8.0 mm

Note For package dimensions, refer to

the 33926 data sheet.

RθJA

Table 6. Thermal Performance Comparison

Thermal Resistance

[

°C/W]

ΡθJA(1),(2)

ΡθJB (2),(3)

ΡθJA (1), (4)

ΡθϑΧ (5)

1.0

Notes

Per JEDEC JESD51-2 at natural convection, still air

condition.

2s2p thermal test board per JEDEC JESD51-5 and

JESD51-7.

Per JEDEC JESD51-8, with the board temperature on the

center trace near the center lead.

Single layer thermal test board per JEDEC JESD51-3 and

JESD51-5.

Thermal resistance between the die junction and the

exposed pad surface; cold plate attached to the package

bottom side, remaining surfaces insulated.

1.0

0.2

* All measurements

are in millimeters

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