MAX6397 MAXIM [Maxim Integrated Products], MAX6397 Datasheet - Page 4

• Manufacturer Part Number: MAX6397
• Description: Overvoltage Protection Switch/Limiter Controllers Operate Up to 72V
• Manufacturer: MAXIM [Maxim Integrated Products]

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