參數(shù)資料
型號(hào): TL2218-285YPW
廠商: Texas Instruments, Inc.
英文描述: EXCALIBUR CURRENT-MODE SCSI TERMINATOR
中文描述: 神劍電流模式的SCSI終結(jié)者
文件頁(yè)數(shù): 4/9頁(yè)
文件大?。?/td> 169K
代理商: TL2218-285YPW
TL2218-285, TL2218-285Y
EXCALIBUR CURRENT-MODE SCSI TERMINATOR
SLVS072C – DECEMBER 1992 – REVISED OCTOBER 1995
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
8–4
600
400
200
0
25
50
75
100
800
1000
1200
125
150
1800
1600
1400
2000
2200
2400
FREE-AIR TEMPERATURE
DISSIPATION DERATING CURVE
TA – Free-Air Temperature –
°
C
M
1200
800
400
0
25
50
75
100
1600
2000
2400
125
150
3600
3200
2800
4000
4400
4800
CASE TEMPERATURE
DISSIPATION DERATING CURVE
TC – Case Temperature –
°
C
R
θ
JA = 151
°
C/W
R
θ
JC = 31
°
C/W
M
Figure 1
Figure 2
1200
800
400
0
25
50
75
100
2000
125
150
3600
3200
2800
4000
4400
4800
LEAD TEMPERATURE
DISSIPATION DERATING CURVE
TL – Lead Temperature –
°
C
2400
1600
R
θ
JL = 50.5
°
C/W
M
Figure 3
R
θ
JL is the thermal resistance between the junction and device lead. To determine the virtual junction temperature (TJ) relative to the device lead
temperature, the following calculations should be used: TJ = PD x R
θ
JL + TL, where PD is the internal power dissipation of the device, and TL is
the device lead temperature at the point of contact to the printed wiring board. R
θ
JL is 50.5
°
C/W.
相關(guān)PDF資料
PDF描述
TL2218 EXCALIBUR CURRENT-MODE SCSI TERMINATOR
TL2218-285Y EXCALIBUR CURRENT-MODE SCSI TERMINATOR
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