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參數(shù)資料
| 型號： | PPC440GR-3BA533CZ |
| 廠商： | APPLIEDMICRO INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 533 MHz, RISC PROCESSOR, PBGA456 |
| 封裝： | 35 MM, THERMALLY ENHANCED, PLASTIC, BGA-456 |
| 文件頁數(shù)： | 59/82頁 |
| 文件大小： | 1147K |
| 代理商： | PPC440GR-3BA533CZ |
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62
AMCC Proprietary
Revision 1.16 – July 19, 2006
Preliminary Data Sheet
440GR – PPC440GR Embedded Processor
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
Table 14. Package Thermal Specifications
Thermal resistance values for the E-PBGA package are as follows:
Parameter
Symbol
Package
Airflow
ft/min (m/sec)
Unit
Notes
0 (0)
100 (0.51)
200 (1.02)
Junction-to-ambient thermal resistance
without heat sink
θ
JA
E-PBGA
20.0
18.7
17.9
°C/W
TE-PBGA
15.6
13.6
12.8
°C/W
Junction-to-ambient thermal resistance
with heat sink
θ
JA
E-PBGA
15.3
11.9
10.5
°C/W
TE-PBGA
13.9
10.4
9.0
°C/W
Resistance Value
Junction-to-case thermal resistance
θ
JC
E-PBGA
8.3
°C/W
TE-PBGA
6.3
°C/W
Junction-to-board thermal resistance
θ
JB
E-PBGA
14.3
°C/W
TE-PBGA
9.3
°C/W
Notes:
1. Case temperature, TC, is measured at top center of case surface with device soldered to circuit board.
2. TA = TC - P×θCA, where TA is ambient temperature and P is power consumption.
3. TCMax = TJMax - P×θJC, where TJMax is maximum junction temperature (+125°C) and P is power consumption.
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.
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