UCD8220, UCD8620
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SLUS652B–MARCH 2005–REVISED SEPTEMBER 2005
TYPICAL CHARACTERISTICS
UCD8220
UVLO THRESHOLD
vs
UCD8620
UVLO THRESHOLD
vs
TEMPERATURE
TEMPERATURE
5.0
5.0
UVLO on
UVLO on
4.5
4.5
4.0
4.0
UVLO off
UVLO off
3.5
3.5
3.0
2.5
2.0
3.0
2.5
2.0
TBD
1.5
1.5
1.0
1.0
UVLO hysteresis
UVLO hysteresis
0.5
0.5
0.0
0.0
125
125
−50
−25
0
25
50
75
100
−50
−25
0
25
50
75
100
t − Temperature −°C
t − Temperature −°C
Figure 8.
Figure 9.
3V3 REFERENCE VOLTAGE
3V3 SHORT-CIRCUIT CURRENT
vs
vs
TEMPERATURE
TEMPERATURE
23.0
3.36
3.34
3.32
3.30
22.5
22.0
21.5
21.0
VDD = 4.75 V
VDD = 12 V
3.28
3.26
3.24
20.5
20.0
−50
−25
0
25
50
75
100
125
−50
−25
0
25
50
75
100
125
t − Temperature −°C
t − Temperature −°C
Figure 10.
Figure 11.
10
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