Datasheet

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
SLUS536C − AUGUST 2002 − REVISED AUGUST 2004
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13
TYPICAL CHARACTERISTICS
Figure 21.
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
Figure 22.
T
A
− Ambient Temperature − °C
UVLO PIN PULL-UP CURRENT
vs
AMBIENT TEMPERATURE
I
SRC_UV
− Charging Current − µA
−40 10−15 35 8560
−10.3
−10.1
−9.9
−9.7
−9.5
−9.3
V
I(UVLO)
= 2.5 V
V
I(RTN)
= 20 V to 48 V
Figure 23.
T
A
− Ambient Temperature − °C
INSA PIN INSERTION DELAY TIME
vs
AMBIENT TEMPERATURE
t
D_INS
− INSA Insertion Delay − ms
−40
2.4
10−15 35 8560
2.5
2.6
2.8
3.0
2.9
Input voltage falling
measured to GATE pull-up
V
RTN
= 20 V
V
RTN
= 80 V
V
RTN
= 36 V
V
RTN
= 48 V
2.7