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Dual, 7.5V to 76V, Hot-Swap and
Diode ORing Controller
_______________________________________________________________________________________   5
ELECTRICAL CHARACTERISTICS (continued)
(V
PS
= V
PWR
= 12V, V
FOSO
= 0, V
ENX
= V
ENY
= V
ENZ
= V
PWR
, and T
A
= T
J
= 0癈 to +85癈, unless otherwise noted. See the Typical
Operating Circuit for connections. Typical values are at T
A
= +25癈.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GATE CONTROLS
GATE_ Pullup Current
I
GU_
35
48
60
礎
V
PWR
= V
PS
,
7.5V d V
PWR
d 8V,
V
OUTA
 = V
OUTB
 = V
PS
4.00
4.75
6.00
GATE_ High Voltage
V
GATE1A
,
V
GATE2A
,
V
GATE1B
,
V
GATE2B
,
V
GATEPS
,
V
GATEOR
V
GATE1A
 - V
OUTA
,
V
GATE2A
 - V
OUTA
,
V
GATE1B
 - V
OUTB
,
V
GATE2B
 - V
OUTB
,
V
GATEPS
 - V
PS
,
V
GATEOR
 - V
PWR
V
PWR
= V
PS
,
8V d V
PWR
 d 76V,
V
OUTA
 = V
OUTB
 = V
PS
4.50
5.50
6.50
V
GATE_ Pulldown Current
I
GDA1
,
I
GDA2
,
I
GDB1
, I
GDB2
V
CL
 < (V
PS
 - V
SENSE_
) < V
THF
350
500
650
礎
GATE_ Fast Pulldown Current
I
GDFA1
,
I
GDFA2
,
I
GDFB1
,
I
GDFB2
(V
PS
 - V
SENSE_
) > V
THF
,
V
GATE_
 = (V
OUT_
 + 4.5V)
40
125
190
mA
GATE_ Peak Pulldown Current
I
GDPA1
,
I
GDPA2
,
I
GDPB1
,
I
GDPB2
(V
PS
 - V
SENSE_
) = 1V
1.0
A
V
GATE_
 = (V
OUT_
 + 4.5V), V
PS
 > V
PS_UVLO
40
125
200
GATE_ Pulldown Current During
Any GATE_ Turn-Off Condition
I
GOFFA1
,
I
GOFFA2
,
I
GOFFB1
,
I
GOFFB2
V
GATE_
 = (V
OUT_
 + 4.5V), V
PS
 = 6V
30
150
mA
GATEPS Pulldown Current
I
GDPS
V
ENZ
 = 0, V
GATEPS
 - V
PS
 = 4.5V
45
125
200
mA
GATEOR Turn-Off Switch
On-Resistance
R
GATEOR
Measured between GATEOR and V
PWR
,
(V
SENSEA
 + V
SENSEB
)/2 > V
OR
,
V
GATEOR
 - V
PWR
 = 2V
2
3
&
Note 2: All min/max parameters are tested at T
A
= +25癈 and T
A
= +85癈. Limits through the temperature range are guaranteed by
design.
Note 3: This is the offset value immediately after initialization. The MAX5963 minimizes offset at startup according to the temperature
at that time. After initialization the temperature offset voltage drift and supply voltage drift apply.
Note 4: Connect TCL/TCB to BP or PS for the default timeout period or connect a resistor from TCL/TCB to GND to program the cur-
rent-limit timeout.
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