MPC5200VR400 Freescale Semiconductor, MPC5200VR400 Datasheet - Page 11
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MPC5200VR400
Manufacturer Part Number
MPC5200VR400
Description
IC MPU 32BIT 400MHZ PPC 272-PBGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC5200CVR400B.pdf
(80 pages)
Specifications of MPC5200VR400
Processor Type
MPC52xx PowerPC 32-Bit
Speed
400MHz
Voltage
1.5V
Mounting Type
Surface Mount
Package / Case
272-PBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
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3.1.6
3.1.7
An estimation of the chip-junction temperature, T
where:
The junction to ambient thermal resistance is an industry standard value, which provides a quick and easy
estimation of thermal performance. Unfortunately, there are two values in common usage: the value
determined on a single layer board, and the value obtained on a board with two planes. For packages such
as the PBGA, these values can be different by a factor of two. Which value is correct depends on the power
dissipated by other components on the board. The value obtained on a single layer board is appropriate for
the tightly packed printed circuit board. The value obtained on the board with the internal planes is usually
appropriate if the board has low power dissipation and the components are well separated.
Freescale Semiconductor
NOTES:
1
2
3
4
5
6
Junction to Ambient
Natural Convection
Junction to Ambient
Natural Convection
Junction to Ambient (@200
ft/min)
Junction to Ambient (@200
ft/min)
Junction to Board
Junction to Case
Junction to Package Top
Junction temperature is a function of die size, on-chip power dissipation, package thermal resistance, mounting
site (board) temperature, ambient temperature, air flow, power dissipation of other components on the board, and
board thermal resistance.
Per SEMI G38-87 and JEDEC JESD51-2 with the single layer board horizontal.
Per JEDEC JESD51-6 with the board horizontal.
Thermal resistance between the die and the printed circuit board per JEDEC JESD51-8. Board temperature is
measured on the top surface of the board near the package.
Thermal resistance between the die and the case top surface as measured by the cold plate method (MIL
SPEC-883 Method 1012.1).
Thermal characterization parameter indicating the temperature difference between package top and the junction
temperature per JEDEC JESD51-2. When Greek letters are not available, the thermal characterization parameter
is written as Psi-JT.
Thermal Characteristics
Heat Dissipation
Rating
T
R
P
A
D
θJA
= ambient temperature for the package (°C)
= power dissipation in package (W)
= junction to ambient thermal resistance (°C/W)
Single layer board
(1s)
Four layer board (2s2p)
Single layer board
(1s)
Four layer board
(2s2p)
Natural Convection
Table 7. Thermal Resistance Data
T
MPC5200 Data Sheet, Rev. 4
J
= T
A
+(R
J
, can be obtained from the following equation:
θJA
× P
R
R
R
R
R
R
D
Ψ
θJMA
θJMA
θJMA
θJC
θJA
θJB
)
JT
Value
30
22
24
19
14
8
2
Electrical and Thermal Characteristics
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Unit
Notes
1,2
1,3
1,3
1,3
4
5
6
SpecID
D6.1
D6.2
D6.3
D6.4
D6.5
D6.6
D6.7
Eqn. 1
11