Datasheet

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
SLUS536C − AUGUST 2002 − REVISED AUGUST 2004
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12
TYPICAL CHARACTERISTICS
Figure 17.
IRAMP OUTPUT CURRENT
vs
AMBIENT TEMPERATURE, NORMAL RATE
I
SRC2
− IRAMP Output Current − µA
T
A
− Ambient Temperature − °C
−40
−11.0
10−15 35 8560
−10.6
−10.2
−9.8
−9.4
−9.0
Average for V
O(IRAMP)
= 1 V, 3 V
V
RTN
= 20 V to 80 V
−40
−53
10−15 35 8560
−51
−50
−49
−48
−47
Figure 18.
T
A
− Ambient Temperature − °C
TIMER CHARGING CURRENT
vs
AMBIENT TEMPERATURE
I
CHG
− Charging Current − µA
V
I(ISENS)
= 80 mV
V
O(FLTTIME)
= 2 V
V
RTN
= 80 V
V
RTN
= 48 V
V
RTN
= 36 V
V
RTN
= 20 V
−52
Figure 19.
T
A
− Ambient Temperature − °C
240
280
320
360
400
440
−40 10−15 35 8560
TIMER DISCHARGE CURRENT
vs
AMBIENT TEMPERATURE
I
DSG
− Charging Current − nA
TPS2393 ONLY
V
I(ISENS)
= 80 mV
V
O(FLTTIME)
= 2 V
V
I(RTN)
= 20 V to 80 V
Figure 20.
T
A
− Ambient Temperature − °C
V
FLT
− Fault Latch Threshold Voltage − V
−40 10−15 35 8
5
60
3.75
3.85
3.95
4.05
4.15
4.25
FAULT LATCH THRESHOLD
vs
AMBIENT TEMPERATURE
V
I(RTN)
= 48 V