max5956 Maxim Integrated Products, Inc., max5956 Datasheet - Page 2
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max5956
Manufacturer Part Number
max5956
Description
Low-voltage, Dual Hot-swap Controllers With Independent On/off Control
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX5956.pdf
(15 pages)
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ABSOLUTE MAXIMUM RATINGS
IN_ to GND...........................................................................+14V
GATE_ to GND ...........................................-0.3V to (V
ON_, PGOOD_, TIM to GND.......................-0.3V to the higher of
SENSE_, MON_, LIM_ to GND ...................-0.3V to (V
Current into Any Pin .........................................................±50mA
ELECTRICAL CHARACTERISTICS
(V
noted. Typical values are at V
Low-Voltage, Dual Hot-Swap Controllers with
Independent On/Off Control
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
POWER SUPPLIES
IN_ Input Voltage Range
Supply Current
CURRENT CONTROL
Slow-Comparator Threshold
(V
Slow-Comparator Response Time
(Note 3)
Fast-Comparator Threshold
(V
Fast-Comparator Response Time
(V
SENSE Input Bias Current
MOSFET DRIVER
Startup Period (Note 4)
Average Gate Current
Gate-Drive Voltage
ON_ COMPARATOR
ON_ Threshold
ON_ Propagation Delay
IN_
IN
IN
IN
_______________________________________________________________________________________
_ - V
_ - V
_ - V
= +1V to +13.2V provided at least one supply is higher than +2.7V, V
SENSE
SENSE
SENSE
PARAMETER
_) (Note 2)
_)
_)
IN1
(V
= +5V, V
IN1
SYMBOL
+ 0.3V) and (V
I
V
B SENSE
V
V
V
V
t
I
ON_
START
t
t
SC,TH
SU,TH
GATE
DRIVE
FC,TH
V
SCD
FCD
I
IN2
IN
IN
,
TH
= +3.3V, and T
Other V
I
LIM = GND
R
1mV overdrive
10mV overdrive
During startup
V
10mV overdrive, from overload condition
V
R
R
TIM floating
C har g i ng , V
Discharging, triggered by a fault or when
V
V
I
Low to high
Hysteresis
10mV overdrive
IN1
GATE_
IN
SENSE
TI M
ON_
GATE_
LIM
TIM
IN_
IN_
IN2
_ - V
+ I
= 100kΩ
= 4kΩ (minimum value)
= 300kΩ
< 0.875V
+ 6.2V)
+ 0.3V)
+ 0.3V)
IN2
< 1µA
_ = V
IN
SENSE
- V
, V
≥ +2.7V
A
IN
GATE
IN1
= +25°C.) (Note 1)
IN
_,
_; normal operation
_
CONDITIONS
_ = + 5V , V
= +5V, V
Continuous Power Dissipation (T
Operating Temperature Range
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
MAX59_ _ _U_ _ ...................................................0°C to +85°C
MAX59_ _ _E_ _ ................................................-40°C to +85°C
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
V
V
T
T
IN
IN
A
A
ON1
IN2
IN
_ = 3V to 13.2V
_ = 2.7V to 3.0V
= +25°C
= -40°C to +85°C
_ = + 10V ( N ote 5)
= +3.3V
= V
ON2
= +2.7V, T
22.5
20.5
0.31
0.85
A
MIN
1.0
4.8
4.1
80
65
6
4
= T
A
MIN
= +70°C)
2 x V
4 x V
0.875
to T
TYP
0.03
10.8
0.45
100
110
260
100
1.2
5.4
5.0
25
25
50
SC
SC
3
9
3
MAX
,
,
TH
TH
, unless otherwise
MAX
13.2
27.5
27.5
0.58
0.90
130
130
2.3
6.0
6.0
16
17
1
UNITS
mA
mV
mV
mA
mV
ms
ms
µA
µA
µs
ns
µs
V
V
V