MAX4971EVKIT+ Maxim Integrated, MAX4971EVKIT+ Datasheet - Page 4

• Manufacturer Part Number: MAX4971EVKIT+
• Description: Power Switch ICs - Power Distribution Overvoltage-Protection Controllers with a Low RON Internal FET
• Manufacturer: Maxim Integrated

Specifications of MAX4971EVKIT+

• On Resistance (max): 90 mOhms
• On Time (max): 13 ms
• Off Time (max): 8 us
• Operating Supply Voltage: 2.2 V to 28 V
• Maximum Power Dissipation: 678 mW

Overvoltage-Protection Controllers
with a Low R
(T
4
A
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
250
229
208
187
166
145
124
103
82
61
40
19
-40
-40
0
NORMALIZED OVLO THRESHOLD
NORMALIZED DEBOUNCE TIME
-15
-15
vs. SUPPLY VOLTAGE
7
SUPPLY CURRENT
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
VOLTAGE (V)
10
10
14
35
35
21
60
60
ON
85
85
28
Internal FET
4.00
3.75
3.50
3.25
3.00
80
64
48
32
16
0
-40
-40
-15
-15
R
POWER-UP RESPONSE
ON
vs. TEMPERATURE
CURRENT LIMIT
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. TEMPERATURE
10
10
10ms/div
35
35
Typical Operating Characteristics
AX4970/71/72 toc08
60
60
85
85
V
5V/div
V
5V/div
V
5V/div
I
1A/div
OUT
IN
OUT
ACOK
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
8V
3V
-40
-40
NORMALIZED ACOK ASSERTION TIME
OVERVOLTAGE FAULT RESPONSE
NORMALIZED UVLO THRESHOLD
-15
-15
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
10
10
20μs/div
35
35
MAX4970/71/72 toc09
60
60
85
85
V
5V/div
V
5V/div
V
5V/div
I
500mA/div
OUT
ACOK
IN
OUT