TPS3808-Q1
SBVS085H –JANUARY 2007–REVISED JUNE 2012
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TYPICAL CHARACTERISTICS
At TJ = 25°C, VDD = 3.3 V, RLRESET = 100 kΩ, and CLRESET = 50 pF (unless otherwise noted)
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
RESET TIMEOUT PERIOD
vs
CT
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
100
10
_
125 C
_
85 C
−40°C, 25°C, 125°C
1
_
25 C
0.1
0.01
0.001
_
−40 C
0
1
2
3
4
5
6
7
0.0001
0.001
0.01
0.1
1
10
V
DD
(V)
µ
CT ( F)
Figure 2.
Figure 3.
NORMALIZED RESET TIMEOUT PERIOD
vs
MAXIMUM TRANSIENT DURATION AT SENSE
TEMPERATURE
vs
(CT = OPEN, CT = VDD, CT = Any)
SENSE THRESHOLD OVERDRIVE VOLTAGE
100
10
1
10
8
6
4
RESET OCCURS
ABOVE THE CURVE
2
0
−2
−4
−6
−8
−10
0
5
10
15
20
25 30
35
45
40
50
10
30
50
70
90 110 130
−50 −30 −10
Overdrive (%VIT
)
Temperature (°C)
Figure 4.
Figure 5.
6
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