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4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
V
OL
Low−Level 重置 电压 (v)
V
DD
= 1.8v
重置
电流 (毫安)
1.0
0.8
0.6
0.4
0.2
0
10 30 50 70 90 110 130
Temperature (
°
c)
−50 −30 −10
−1.0
−0.8
−0.6
−0.4
−0.2
normalized v
它
(%)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V
OL
Low−Level 重置 电压 (v)
重置 电流 (毫安)
V
DD
= 3.3v
V
DD
= 6.5v
TPS3808
SBVS050E–MAY2004–REVISEDOCTOBER2005
AtT
J
=+25
°
c,v
DD
=3.3v,r
LRESET
=100k
Ω
,andc
LRESET
=50pf,unlessotherwisenoted.
normalizedsensethresholdvoltage(v
它
)低-levelresetvoltage
vsvs
TEMPERATURERESETCURRENT
figure7.figure8.
低-levelresetvoltage
vs
RESETCURRENT
figure9.
7