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参数资料
| 型号： | TPS3818G12DRVT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | 2 X 2 MM, PLASTIC, SON-6 |
| 文件页数： | 14/17页 |
| 文件大小： | 579K |
| 代理商： | TPS3818G12DRVT |
TYPICAL CHARACTERISTICS
0
1
2
3
4
5
6
7
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
40
_C
+25
_C
+85
_C
+125
_C
I D
D
(
A)
VDD (V)
100
10
1
0.1
0.01
0.001
0.0001
0.001
0.01
0.1
C
T (F)
10
1
40
°C, +25°C, +125°C
RESET
T
imeout
(sec)
10
8
6
4
2
0
10
30
50
70
90
110
130
Temperature (
°C)
50
30
10
8
6
4
2
Normalized
RESET
T
imeout
Period
(%)
100
10
1
0
5
10
15
20
30
35
45
25
Overdrive (%V
IT)
50
40
T
ransient
Duration
below
V
IT
(
s)
RESET OCCURS
ABOVE THE CURVE
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V
O
L
o
w
L
e
v
e
l
R
E
S
E
T
V
o
lt
a
g
e
(V
)
V
DD = 1.8V
RESET Current (mA)
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
IT
(%)
SBVS106A – MAY 2008 – REVISED AUGUST 2008 ......................................................................................................................................................... www.ti.com
At TJ = +25°C, VDD = 3.3V, RLRESET = 100k, and CLRESET = 50pF, unless otherwise noted.
SUPPLY CURRENT
RESET TIMEOUT PERIOD
vs
SUPPLY VOLTAGE
CT
Figure 3.
Figure 4.
NORMALIZED RESET TIMEOUT PERIOD
vs
MAXIMUM TRANSIENT DURATION AT SENSE
TEMPERATURE
vs
(CT = OPEN, CT = VDD, CT = Any)
SENSE THRESHOLD OVERDRIVE VOLTAGE
Figure 5.
Figure 6.
NORMALIZED SENSE THRESHOLD VOLTAGE (VIT)
LOW-LEVEL RESET VOLTAGE
vs
TEMPERATURE
RESET CURRENT
Figure 7.
Figure 8.
6
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS3818
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