ppc440gr-3jb667cz Applied Micro Circuits Corporation (AMCC), ppc440gr-3jb667cz Datasheet - Page 67
ppc440gr-3jb667cz
Manufacturer Part Number
ppc440gr-3jb667cz
Description
Powerpc 440gr Embedded Processor
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.PPC440GR-3JB667CZ.pdf
(88 pages)
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Table 17. Package Thermal Specifications
Thermal resistance values for the E-PBGA package are as follows:
Thermal Management
The following heat sinks were used in the above thermal analysis:
ALPHA W35-15W (35mm x 35mm x15mm)
ALPHA LPD35-15B (35mm x 35mm x15mm)
The heat sinks are manufactured by:
Alpha Novatech, Inc. (www.alphanovatech.com)
473 Sapena Court, #12
Santa Clara, CA 95054
Phone: 408-567-8082
AMCC Proprietary
440GR – PPC440GR Embedded Processor
Notes:
1. Case temperature, T
2. T
3. T
4. The preceding equations assume that the chip is mounted on a board with at least one signal and two power planes.
5. Values in the table were achieved with a JEDEC standard board: 114.5mm x 101.6mm x 1.6mm, 4 layers.
6. Values for an attached heat sink were achieved with a 35mm x 35mm x 15mm unit (see Thermal Management below), attached with a
0.1mm thickness of adhesive having a thermal conductivity of 1.3 W/mK.
A
CMax
= T
=
C
- P
T
JMax
Parameter
×θ
CA
- P
, where T
×θ
JC
C
, is measured at top center of case surface with device soldered to circuit board.
, where T
A
is ambient temperature and P is power consumption.
JMax
is maximum junction temperature (+125°C) and P is power consumption.
Symbol
Package
0 (0)
ft/min (m/sec)
100 (0.51)
Airflow
Preliminary Data Sheet
Revision 1.19 – May 07, 2008
200 (1.02)
Unit
Notes
67
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