MAX15090 Datasheet, PDF (3/15 Pages) Maxim Integrated Products – 2.7V to 18V, 12A, Hot-Swap Solution with Current Report Output

MAX15090/MAX15090A
2.7V to 18V, 12A, Hot-Swap Solution
with Current Report Output
ELECTRICAL CHARACTERISTICS (continued)
(V_IN = V_CC = 2.7V to 18V, T_A = T_J = -40°C to +85°C, unless otherwise noted. Typical values are at V_IN = 12V, R_CB = 33.2kω, and
T_A = +25°C.) (Note 2)
PARAMETER
OV, UV, EN Input Leakage
Current
CB Source Current
CURRENT LIMIT
Circuit-Breaker Accuracy
(Note 3)
Circuit-Breaker Accuracy
Deviation
Slow-Comparator Response
Time (Note 4)
Maximum Current Limit During
Startup
SYMBOL
CONDITIONS
I_LEAK
V_OV = V_UV = V_EN = 0 to 5V
I_{THCB_NORM} Power-on mode
I_CB,TH
t_SCD
I_LIM
V_IN = 12V
R_CB = 40.2kω
R_CB = 10kω
R_CB = 10kω to 40.2kω, compared to
nominal current-limit value
0.6% overcurrent
30% overcurrent
(see Figure 2)
MIN TYP MAX UNITS
-1
+1
FA
12
FA
10.85 12.06 13.27
A
2.7
3
3.3
-10
+10
%
2.7
ms
200
Fs
I_CB,TH
A
Fast-Comparator Threshold
Fast-Comparator Response
Time
I_{FC_TH}
t_FCD
1.5 x
I_CB,TH
A
200
ns
Minimum CB Voltage Reference
During Foldback (Note 5)
V_{THCB_MIN}
V_IN - V_OUT > 10V, R_CB = 40.2kω
60
mV
Maximum CB Voltage
Reference During Foldback
(Note 5)
V_{THCB_MAX} V_IN - V_OUT < 2V, R_CB = 40.2kω
240
mV
TIMING
Startup Maximum Time Duration
Autorestart Delay Time
Time Delay Comparator High
Threshold
Time Delay Pullup Current
Output Short Detection at
Startup
MOSFET
Total On-Resistance
GATE Charge Current
t_SU
t_RESTART
V_{DLY_TH}
I_DLY
t_SHORT
R_ON
I_GATE
T_A = +25°C
T_A = -40°C to +85°C
43
48
53
ms
3.2
s
1.85
2
2.15
V
1.6
1.9
2.2
FA
10.8
12
13.2
ms
5.5
7.5
mω
9
4.5
5.7
7
FA
Maxim Integrated
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