LTC2901-2IGN 查看數據表（PDF） - Linear Technology
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LTC2901-2IGN
Linear Technology
LTC2901-2IGN Datasheet PDF : 16 Pages
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LTC2901
TYPICAL PERFOR A CE CHARACTERISTICS
IV1 vs Temperature
100
V1 = 5V
90 V2 = 3.3V
80
V3 = 2.5V
V4 = 1.8V
70
60
50
40
30
20
10
0
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80 100
2901 G09
IV4 vs Temperature
1.0
V1 = 5V
0.9 V2 = 3.3V
0.8
V3 = 2.5V
V4 = 1.8V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
– 60 –40 – 20 0 20 40 60 80 100
TEMPERATURE (°C)
2901 G12
RST Output Voltage
vs V1, VPG = 0V
5
V1 = V2 = V3 = V4
10k PULL-UP FROM RST TO V1
4 TA = 25°C
3
2
1
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V1 (V)
2901 G14
IV2 vs Temperature
1.5
V1 = 5V
1.4 V2 = 3.3V
1.3
V3 = 2.5V
V4 = 1.8V
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80 100
2901 G10
Typical Transient Duration
vs Comparator Overdrive (V1, V2)
450
TA = 25°C
400
350
RESET OCCURS
300
ABOVE CURVE
250
200
150
100
50
0
0.1
1
10
100
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX)
2901 G13
IV3 vs Temperature
1.1
V1 = 5V
1.0 V2 = 3.3V
0.9
V3 = 2.5V
V4 = 1.8V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80 100
2901 G11
Typical Transient Duration
vs Comparator Overdrive (V3, V4)
220
200
TA = 25°C
180
RESET OCCURS
160
ABOVE CURVE
140
120
100
80
60
40
20
0
0.1
1
10
100
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX)
2901 G22
Watchdog Time-Out Period
vs Temperature
38
CWT = 1500pF
36 (SILVER MICA)
34
32
30
28
26
24
22
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
2901 G15
Reset Time-Out Period
vs Temperature
8.9
CRT = 1500pF
8.4 (SILVER MICA)
7.9
7.4
6.9
6.4
5.9
5.4
4.9
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
2901 G16
2901fb
6
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