Datasheet

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
SLUS610 − JULY 2004
11
www.ti.com
TYPICAL CHARACTERISTICS
−40
−53
10−15 35 8560
−51
−50
−49
−48
−47
Figure 17.
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 18.
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
V
I(ISENS)
= 80 mV
V
O(FLTTIME)
= 2 V
V
I(RTN)
= 20 V to 80 V
Figure 19.
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
Figure 20.
VOLTAGE COMPARATOR THRESHOLD
vs
AMBIENT TEMPERATURE
V
TH
− Voltage Comparator Threshold − V
T
A
− Ambient Temperature − °C
−40 10−15 35 8560
1.36
1.42
1.40
1.44
1.38
Undervoltage
Comparator
Overvoltage
Comparator
V
I(RTN)
= 20 V to 48 V
V
I(RTN)
= 80 V