TPS2393 Datasheet, PDF (12/31 Pages) Texas Instruments – FULL-FEATURED -48-V HOT SWAP POWER MANAGER

TPS2392
TPS2393
SLUS536C − AUGUST 2002 − REVISED AUGUST 2004
TYPICAL CHARACTERISTICS
www.ti.com
IRAMP OUTPUT CURRENT
vs
AMBIENT TEMPERATURE, NORMAL RATE
−9.0
Average for VO(IRAMP) = 1 V, 3 V
VRTN = 20 V to 80 V
−9.4
−9.8
−10.2
−10.6
TIMER CHARGING CURRENT
vs
AMBIENT TEMPERATURE
−47
VI(ISENS) = 80 mV
VO(FLTTIME) =2V
−48
VRTN = 20 V
−49
−50
−51
VRTN = 36 V
−52
VRTN = 48 V
VRTN = 80 V
−11.0
−53
−40
−15
10
35
60
85
−40
−15
10
35
60
85
TA − Ambient Temperature − °C
TA − Ambient Temperature − °C
Figure 17.
Figure 18.
TIMER DISCHARGE CURRENT
vs
AMBIENT TEMPERATURE
440
TPS2393 ONLY
VI(ISENS) = 80 mV
VO(FLTTIME) = 2 V
400 ^{VI(RTN) = 20 V to 80 V}
FAULT LATCH THRESHOLD
vs
AMBIENT TEMPERATURE
4.25
VI(RTN) = 48 V
4.15
360
4.05
320
3.95
280
3.85
240
3.75
−40
−15
10
35
60
85
−40
−15
10
35
60
85
TA − Ambient Temperature − °C
TA − Ambient Temperature − °C
Figure 19.
Figure 20.
12