Datasheet

MAX6495–MAX6499
72V, Overvoltage-Protection Switches/
Limiter Controllers with an External MOSFET
4
Maxim Integrated
Typical Operating Characteristics
(V
IN
= +12V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6495 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (μA)
655545352515
35
60
85
110
135
10
575
SET = GND, GATE ENHANCED
SUPPLY CURRENT vs. TEMPERATURE
MAX6495 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
11095-25 -10 5 35 50 6520 80
102.5
105.0
107.5
110.0
112.5
115.0
117.5
120.0
100.0
-40 125
SET = GND, GATE ENHANCED
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6495 toc03
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (μA)
655545352515
20
30
40
50
10
575
SET = GND, SHDN = GND
MAX6496
GATE VOLTAGE vs. SUPPLY VOLTAGE
MAX6495 toc04
SUPPLY VOLTAGE (V)
V
GATE
- V
IN
(V)
655545352515
3
6
9
12
0
575
SET = GND, IN = OUTFB = SHDN
GATEP VOLTAGE vs. SUPPLY VOLTAGE
MAX6495 toc05
SUPPLY VOLTAGE (V)
V
IN
- V
GATEP
(V)
655545352515
3
6
9
12
0
575
SET = GND, IN = OUTFB = SHDN
UVLO THRESHOLD vs. TEMPERATURE
MAX6495 toc06
TEMPERATURE (°C)
UVLO THRESHOLD (V)
1109565 80-10 5 20 35 50-25
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
4.5
-40 125
SET = GND, IN = OUTFB = SHDN
FALLING
RISING
SET THRESHOLD vs. TEMPERATURE
MAX6495 toc07
TEMPERATURE (°C)
SET THRESHOLD (V)
1109580655035205-10-25
1.15
1.20
1.25
1.30
1.35
1.40
1.10
-40 125
IN = SHDN
FALLING
RISING
GATE TO OUTFB CLAMP VOLTAGE
vs. TEMPERATURE
MAX6495 toc08
TEMPERATURE (°C)
V
GATE
- V
OUTFB
(V)
1109565 80-10 5 20 35 50-25
15.6
15.7
15.8
15.9
16.0
16.1
16.2
16.3
16.4
16.5
15.5
-40 125
SET = OUTFB = GND
IN = SHDN