Datasheet

MAX4271/MAX4272/MAX4273
3V to 12V Current-Limiting Hot-Swap Controllers
with Autoretry, DualSpeed/BiLevel Fault Protection
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= 5V, R
SENSE
= 100mΩ, C
BOARD
= 47µF, T
A
= +25°C, unless otherwise noted.)
0.625
0.605
0.615
0.595
0.585
0.575
4106 8 12 14 16
INC THRESHOLD vs. INPUT VOLTAGE
MAX4271/3-28
INPUT VOLTAGE (V)
THRESHOLD (V)
RISING
FALLING
600
610
608
606
604
602
614
612
618
616
620
-40 10-15 356085
INC THRESHOLD vs. TEMPERATURE
MAX4271/3-29
TEMPERATURE (
°
C)
THRESHOLD (mV)
RISING
FALLING
1.2020
1.2024
1.2022
1.2030
1.2028
1.2026
1.2038
1.2036
1.2034
1.2032
1.2040
3795 111315
MAX4273
REFERENCE VOLTAGE
vs. INPUT VOLTAGE
MAX4271/3-30
INPUT VOLTAGE (V)
REFERENCE VOLTAGE (V)
1.2000
1.2005
1.2010
1.2015
1.2020
1.2025
1.2030
1.2035
1.2040
-40 -15 10 35 60 85
REFERENCE VOLTAGE
vs. TEMPERATURE
MAX4271/3-31
TEMPERATURE (
°
C)
REFERENCE VOLTAGE (V)
920
930
925
940
935
945
950
3579111315
RETRY TIMEOUT PERIOD
vs. INPUT VOLTAGE
MAX4271/3-32
INPUT VOLTAGE (V)
RETRY TIMEOUT (ms)
C
TIM
= 100nF
965
970
975
980
985
990
995
-40 -15 10 35 60 85
RETRY TIMEOUT PERIOD
vs. TEMPERATURE
MAX4271/3-33
TEMPERATURE (°C)
RETRY PERIOD (ms)
12V
5V
3V
C
BOARD
= 470μF, R
SENSE
= 100mΩ,
C
TIM
= 10nF, C
GATE
= 0
I
LOAD
1A/div
V
OUT
2V/div
V
GATE
2V/div
ON
500μs/div
STARTUP TIME (C
BOARD
= 470μF)
MAX4271/3-34