MAX6397 查看數據表（PDF） - Maxim Integrated
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MAX6397 Datasheet PDF : 18 Pages
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Overvoltage Protection Switch/Limiter
Controllers Operate Up to 72V
(VIN = 14V, CREG = 4.7µF, IREG = 0, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT
vs. INPUT VOLTAGE
160
MAX6397
GATE ON
140
120
100
80
60
40
0
10 20 30 40 50 60 70 80
INPUT VOLTAGE (V)
SUPPLY CURRENT
vs. TEMPERATURE
140
MAX6398
GATE ON
130
120
VIN = 72V
110
100
VIN = 14V
90
80
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
GATE-DRIVE VOLTAGE
vs. INPUT VOLTAGE
12
VOUT = VIN
10
8
6
4
2
0
4 6 8 10 12 14 16 18 20 22 24
INPUT VOLTAGE (V)
SUPPLY CURRENT vs. TEMPERATURE
180
MAX6397
170
160
150
140
VIN = 72V
130
120
VIN = 14V
110
100
90
80
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX6397)
50
REGULATOR ON
45 GATE OFF
40
35
30
25
20
0 10 20 30 40 50 60 70 80
INPUT VOLTAGE (V)
UVLO THRESHOLD
vs. TEMPERATURE
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
SUPPLY CURRENT
vs. INPUT VOLTAGE
120
MAX6398
110 GATE ON
100
90
80
70
60
50
40
0
20
40
60
80
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
20
MAX6398
18 GATE OFF
16
14
12
10
8
6
4
2
0
0
20
40
60
80
INPUT VOLTAGE (V)
SET THRESHOLD vs. TEMPERATURE
1.240
1.236
1.232
1.228
1.224
1.220
1.216
1.212
1.208
1.204
1.200
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
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