MAX4272 MAXIM [Maxim Integrated Products], MAX4272 Datasheet - Page 6

• Manufacturer Part Number: MAX4272
• Description: 3V to 12V Current-Limiting Hot-Swap Controllers with Autoretry, DualSpeed/BiLevel Fault Protection
• Manufacturer: MAXIM [Maxim Integrated Products]

3V to 12V Current-Limiting Hot-Swap Controllers
with Autoretry, DualSpeed/BiLevel Fault Protection
(V
6
IN
_______________________________________________________________________________________
= 5V, R
4.0
3.5
3.0
2.5
2.0
1.5
1.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
25
20
15
10
5
0
0
3.0
0
0
GATE VOLTAGE vs. INPUT VOLTAGE
FAST GATE DISCHARGE CURRENT
3.2 3.4
FAST GATE DISCHARGE CURRENT
SENSE
2
2
4
T
FALLING V
A
4
3.6
= +25°C
= 100mΩ, C
6
V
IN
V
IN
3.8
RISING V
vs. V
= 3V
8
6
vs. V
= 5V
V
T
V
V
IN
IN
A
IN
IN
4.0 4.2 4.4 4.6 4.8 5.0
10 12 14 16 18 20
= +85°C
(V)
(V)
GATE
(V)
IN
8
IN
T
A
= -40°C
BOARD
10
I
GATE
V
IN
= 10μA
= 12V
12
= 47µF, T
14
Typical Operating Characteristics (continued)
A
120
100
400
350
300
250
200
150
100
80
60
40
20
50
400
350
300
250
200
150
100
= +25°C, unless otherwise noted.)
0
0
50
0
-40
0
0
V
SLOW GATE DISCHARGE CURRENT
V
TRIGGERED BY A FAULT
OR BY ON FALLING
SLOW GATE DISCHARGE CURRENT
IN
2
2
GATE
= 3.0V
V
-15
4
4
GATE CHARGE CURRENT
IN
= V
= 3V
V
vs. TEMPERATURE
IN
vs. GATE VOLTAGE
vs. GATE VOLTAGE
IN
6
6
TEMPERATURE (°C)
= 5V
10
8
8
V
V
V
IN
GATE
GATE
V
IN
= 5.0V
TRIGGERED BY A FAULT
OR BY ON FALLING
10
10 12 14 16 18 20
V
V
= 12V
(V)
(V)
IN
IN
12 14 16 18 20
= 5V, 12V
35
= 3V
V
IN
= 12V
60
85
0.001
0.001
1000
0.01
150
125
100
1000
100
0.01
0.1
75
50
25
100
10
0.1
0
10
1
1
0.01
-40
0.01
NO EXTERNAL MOSFET
DISCHARGE TO V
NO EXTERNAL MOSFET
TIME TO SLOW DISCHARGE GATE
-15
0.1
0.1
GATE CHARGE CURRENT
TIME TO CHARGE GATE
V
vs. TEMPERATURE
IN
V
TO V
TEMPERATURE (°C)
= 12V
IN
= 12V
10
vs. C
GATE
1
GATE
vs. C
1
C
C
V
V
GATE
IN
GATE
IN
= 0.1V
= 17V
= 12V
V
TO V
= 3V
GATE
GATE
V
(nF)
IN
V
(nF)
IN
IN
35
= 3V
10
10
GATE
= 3V
= 5V
V
TO V
= 6V
IN
V
100
V
= 5V
60
100
GATE
GATE
IN
= 5V
= 0
= 10V
1000
1000
85