參數(shù)資料
型號: TPS2390DGKR
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數(shù): 19/20頁
文件大?。?/td> 497K
代理商: TPS2390DGKR
TPS2390
TPS2391
SLUS471D JUNE 2002 REVISED JANUARY 2008
8
www.ti.com
TYPICAL CHARACTERISTICS
Figure 9
RECOVERY FROM A FAULT EXPANDED VIEW
(TPS2391)
ILOAD (1 A/div)
VDRAIN (20 V/div)
FLTTIME (2 V/div.)
CIRAMP = 3900 pF
CFLT = 0.047 F
CLOAD = 100 F
FAULT (50 V/div)
t TIme 1 ms/div
Figure 10
SUPPLY CURRENT
vs
AMBIENT TEMPERATURE
40
15
10
35
60
85
0
200
400
600
800
1000
1200
I CC
Supply
Current
A
TA Ambient Temperature °C
VRTN = 40 V
VRTN = 36 V
VRTN = 80 V
Figure 11
GATE HIGH-LEVEL OUTPUT
vs
AMBIENT TEMPERATURE
40
15
10
35
60
85
14.0
14.5
15.0
15.5
16.0
16.5
17.0
V
OH
Output
V
o
ltage
V
TA Ambient Temperature °C
VRTN = 80 V
VRTN = 48 V
VI(ISENS) = 0 V
VRTN = 36 V
Figure 12
IRAMP OUTPUT CURRENT
vs
AMBIENT TEMPERATURE, SLOW TURN-ON
40
15
10
35
60
85
066
0.62
0.58
0.54
0.50
I SRC1
IRAMP
Output
Current
A
VRTN = 80 V
VRTN = 36 V
VRTN = 48 V
VO(IRAMP) = 0.25 V
TA Ambient Temperature °C
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