MAX15068 Datasheet, PDF (3/17 Pages) Maxim Integrated Products – Dual ORing, Single Hot-Swap Controller

MAX15068
Dual ORing, Single Hot-Swap Controller with
Accurate Current Monitoring
Electrical Characteristics (continued)
(V_IN1 = V_IN2 = 12V, C_IN1 = C_IN2 = C_VS = 1µF, T_A = -40°C to +125°C. Typical values are at T_A = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
Turn-Off Switch Resistance
Turn-On Switch Resistance
ORing MOSFET Gate Drive
(V_{OG_}- V_{IN_})
ORing MOSFET Fast Turn-On
Threshold
ORing MOSFET Fast Turn-Off
ORing MOSFET Turn-On
Delay
ORing MOSFET Turn-Off
Delay
PC to OG2 Delay
HOT SWAP
Circuit-Breaker Accuracy
Active Current-Limit Sense
Voltage
Fast Comparator Threshold
Fast Comparator Response
Time
GATE Off Delay
GATE Propagation Delay
GATE Drive Voltage
(V_GATE - V_OUT)
GATE Pullup Current
SYMBOL
R_{DS_OFF}
R_{DS_ON}
V_{OG_}
CONDITIONS
V_{IN_}- V_CSP = -50mV, I = 50mA
V_{IN_}- V_{CSP_} = 120mV, I = 70mA
3.75V < V_{IN_}< 18V
V_{FWD_ON}
V_{FWD_OFF}
t_{ON_OG_}
t_{OFF_OG_}
t_{LH_DLY}
V_{IN_}- V_CSP rising
V_{IN_}- V_CSP falling, V_{OG_} goes to
forward regulation
C_GATE = 10nF, V_{IN_} - V_CSP = +0.05V
C_GATE = 10nF, V_{IN_} - V_CSP = -0.05V,
V_{OG_} = 0.1 x (V_{CP_} - V_{IN_})
V_PC falling edge to V_OG2 going high
V_{CB_TH}
V_CSP - V_CSN
V_ACL
V_CB = 0V
V_CB = Hi-Z
V_CB = V_S
V_{FC_TH}
V_CSP - V_CSN
t_{FC_DLY}
t_{OFF_GATE}
t_{ON_GATE_PD}
V_CSP - V_CSN = 300mV, C_GATE = 10nF
(Note 3)
V_EN high to V_GATE low
V_ON low to V_GATE low
V_ON = step 0.8V to 2V
V_GATE
3.7V < V_{IN_}< 18V
I_{GATE_ON} V_GATE - V_OUT = 0V
MIN TYP MAX UNITS
0.8
Ω
2
Ω
6
11
12
V
80
mV
40
mV
150
ns
200
300
ns
40
65
µs
32.9
35
37.1
47.5
50
52.5
mV
61.1
65
68.9
1.3 x
V_{CB_TH}
mV
3x
V_{CB_TH}
mV
200
ns
20
40
µs
10
20
10
20
µs
6
11
V
-13
-10
-7
µA
GATE Pulldown Current
(Timeout)
GATE Fast Pulldown Current
HOT-SWAP FOLDBACK
Minimum CB Voltage
Minimum FB Voltage
I_{GATE_OFF} V_OUT = 12V, V_GATE = V_OUT + 5V
I_{GATE_FAST_}
OFF
V_OUT = 12V, V_GATE = V_OUT + 5V
V_{CB_FBMAX}
V_FBMIN
(V_CSP - V_CSN) = 12V
V_CSP - V_OUT, at V_CB = V_{CB_FBMAX}
350
500
650
µA
75
200
260
mA
3
8.33
15
%
V_{CB_TH}
1
2
3.2
V
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