参数资料
型号: TPS2393PWG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
封装: GREEN, PLASTIC, TSSOP-14
文件页数: 4/33页
文件大小: 596K
代理商: TPS2393PWG4
TPS2392
TPS2393
SLUS536C AUGUST 2002 REVISED AUGUST 2004
www.ti.com
12
TYPICAL CHARACTERISTICS
Figure 17.
IRAMP OUTPUT CURRENT
vs
AMBIENT TEMPERATURE, NORMAL RATE
I SRC2
IRAMP
Output
Current
A
TA Ambient Temperature °C
40
11.0
10
15
35
85
60
10.6
10.2
9.8
9.4
9.0
Average for VO(IRAMP) = 1 V, 3 V
VRTN = 20 V to 80 V
40
53
10
15
35
85
60
51
50
49
48
47
Figure 18.
TA Ambient Temperature °C
TIMER CHARGING CURRENT
vs
AMBIENT TEMPERATURE
I CHG
Charging
Current
A
VI(ISENS) = 80 mV
VO(FLTTIME) =2V
VRTN = 80 V
VRTN = 48 V
VRTN = 36 V
VRTN = 20 V
52
Figure 19.
TA Ambient Temperature °C
240
280
320
360
400
440
40
10
15
35
85
60
TIMER DISCHARGE CURRENT
vs
AMBIENT TEMPERATURE
I DSG
Charging
Current
nA
TPS2393 ONLY
VI(ISENS) = 80 mV
VO(FLTTIME) = 2 V
VI(RTN) = 20 V to 80 V
Figure 20.
TA Ambient Temperature °C
V
FL
T
Fault
Latch
Threshold
V
oltage
V
40
10
15
35
85
60
3.75
3.85
3.95
4.05
4.15
4.25
FAULT LATCH THRESHOLD
vs
AMBIENT TEMPERATURE
VI(RTN) =48V
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