參數(shù)資料
型號: BX805573060
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 2400 MHz, MICROPROCESSOR, CBGA775
封裝: LGA-775
文件頁數(shù): 87/102頁
文件大?。?/td> 2428K
代理商: BX805573060
Dual-Core Intel Xeon Processor 3000 Series Datasheet
85
Thermal Specifications and Design Considerations
Notes:
1.
Intel does not support or recommend operation of the thermal diode under reverse bias.
2.
Same as IFW in Table 5-6.
3.
Characterized across a temperature range of 50–80 °C.
4.
Not 100% tested. Specified by design characterization.
5.
The ideality factor, nQ, represents the deviation from ideal transistor model behavior as exemplified by the
equation for the collector current:
I
C = IS * (e
qVBE/nQkT
–1)
Where IS = saturation current, q = electronic charge, VBE = voltage across the transistor base
emitter junction (same nodes as VD), k = Boltzmann Constant, and T = absolute temperature
(Kelvin).
6.
The series resistance, RT, provided in the Diode Model Table (Table 5-6) can be used for more accurate
readings as needed.
The processor does not support the diode correction offset that exists on other Intel
processors
§
Table 5-7.
Thermal “Diode” Parameters using Transistor Model
Symbol
Parameter
Min
Typ
Max
Unit
Notes
IFW
Forward Bias Current
5
200
A
1, 2
IE
Emitter Current
5
200
A
nQ
Transistor Ideality
0.997
1.001
1.005
-
3, 4, 5
Beta
0.391
0.760
3, 4
RT
Series Resistance
2.79
4.52
6.24
Ω
3, 6
Table 5-8.
Thermal Diode Interface
Signal Name
Land Number
Signal Description
THERMDA
AL1
diode anode
THERMDC
AK1
diode cathode
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