4
LTC4221
4221f
典型 perfor 一个 ce characTERISTICS
UW
I
CC1
vs 温度
温度 (
°
c)
–50
I
CC1
(毫安)
4
5
6
25 75
4221 g01
3
2
–25 0
50 100 125
1
0
V
CC2
= 1v
V
CC1
= 13.5v
V
CC1
= 12v
V
CC1
= 5v
V
CC1
= 2.7v
温度 (
°
c)
–50
I
CC2
(毫安)
0.175
25
4221 g02
0.100
0.050
–25 0 50
0.025
0
0.200
0.150
0.125
0.075
75 100 125
V
CC1
= 13.5v
V
CC2
= 13.5v
V
CC2
= 12v
V
CC2
= 5v
V
CC2
= 3.3v
V
CC2
= 1v
温度 (
°
c)
–50
V
cc1(uvl)
(v)
2.50
25
4221 g03
2.44
2.40
–25 0 50
2.38
2.36
2.52
2.48
2.46
2.42
75 100 125
计时器 = 0.3v
RISING
下落
I
CC2
vs 温度 V
cc1(uvl)
vs 温度
V
cc2(uvl)
vs 温度
|I
sense2(在)
| vs v
SENSE2
V
sense(fc)
vs v
CC1
温度 (
°
c)
–50
0.770
V
cc2(uvl)
(v)
0.775
0.785
0.790
0.795
50
0.815
4221 g04
0.780
0
–25
75 100
25 125
0.800
0.805
0.810
计时器 = 0.3v
RISING
下落
V
SENSE2
(v)
0
|I
sense2(在)
| (
µ
一个)
1000
6
4221 g05
1
0.01
24 8
0.001
0.0001
10000
100
10
0.1
10 12
V
CC1
= 2.7v, v
CC2
= 1v
V
CC1
= 5v, v
CC2
= 3.3v
V
CC1
= 13.5v, v
CC2
= 13.5v
V
CC1
(v)
0
V
sense(fc)
(mv)
101.0
101.5
102.0
610 16
4221 g06
100.5
100.0
99.5
24
8
12 14
V
CC2
= v
CC1
T
一个
= 25
°
C
V
sense(fc)
vs 温度
V
sense(sc)
vs v
CC1
V
sense(sc)
vs 温度
温度 (
°
c)
–50
V
sense(fc)
(mv)
101.0
101.5
102.0
25 75
4221 g07
100.5
100.0
–25 0
50 100 125
99.5
99.0
V
CC1
= 5v
V
CC2
= 3.3v
V
CC1
(v)
0
V
sense(sc)
(mv)
25.0
25.2
25.4
12
4221 g08
24.8
24.6
48
214
610 16
24.4
24.2
25.6
V
CC2
= v
CC1
T
一个
= 25
°
C
温度 (
°
c)
–50
V
sense(sc)
(mv)
25.8
25
4221 g09
25.2
24.8
–25 0 50
24.6
24.4
26.0
25.6
25.4
25.0
75 100 125
V
CC1
= 5v
V
CC2
= 3.3v
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