參數(shù)資料
型號(hào)： PC33926PNB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, 5 A, PQCC32
封裝： 8 X 8 MM, 2.10 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MO-251AADDB-1, QFN-32
文件頁(yè)數(shù)： 14/25頁(yè)
文件大?。?/td> 778K
代理商： PC33926PNB
Analog Integrated Circuit Device Data
Freescale Semiconductor
21
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.
TJ
=
RθJA
.
P
Table 6. Thermal Performance Comparison
Thermal Resistance
[
°C/W]
28
ΡθJB (2),(3)
12
ΡθJA (1), (4)
80
ΡθΧ (5)
1.0
Notes
1.
Per JEDEC JESD51-2 at natural convection, still air
condition.
2.
2s2p thermal test board per JEDEC JESD51-5 and
JESD51-7.
3.
Per JEDEC JESD51-8, with the board temperature on the
center trace near the center lead.
4.
Single layer thermal test board per JEDEC JESD51-3 and
JESD51-5.
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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