Dual PCI Express, Hot-Plug
Controller
2  _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
(All voltages referenced to GND, unless otherwise noted.)
12VIN......................................................................-0.3V to +14V
12GA, 12GB ..............................................-0.3V to (V
12VIN
+ 6V)
12SA+, 12SA-, 12SB+, 12SB-,
3.3GA, 3.3GB .....................................-0.3V to (V
12VIN
+ 0.3V)
3.3VAUXIN, ONA, ONB, FAULTA, FAULTB ............-0.3V to +6V
PWRGDA, PWRGDB ................................................-0.3V to +6V
PGND ....................................................................-0.3V to +0.3V
All Other Pins to GND......................-0.3V to (V
3.3VAUXIN
+ 0.3V)
Continuous Power Dissipation (T
A
= +70癈)
36-Pin Thin QFN (derate 26.3mW/癈 above +70癈).....2.105W
Operating Temperature Range ...........................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Lead Temperature (soldering, 10s).................................+300癈
ELECTRICAL CHARACTERISTICS
(V
12VIN
= V
12S_-
= V
12S_+
= 12V, V
3.3S_+
= V
3.3S_-
= V
3.3VAUXIN
= V
ON_
= V
AUXON_
= V
FON__
= 3.3V, PWRGD_ = FAULT_ = PORADJ
= TIM = OUTPUT_ = 12G_ = 3.3G_ = OPEN, INPUT_ = PRES_DET_ = PGND = GND, T
A
= -40癈 to +85癈, unless otherwise noted.
Typical values are at T
A
= +25癈.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
NIT
12V SUPPLY
12V Supply Voltage Range
V
12VIN
10.8
12
13.2
V
V
12VIN
 rising
9.5
10
10.5
12VIN Undervoltage Lockout
V
12UVLO
Hysteresis
0.1
V
12VIN Supply Current
I
12VIN
V
12VIN
= 13.2V
0.5
1
mA
12VIN CONTROL
12VIN Current-Limit
hreshold (V
12S_+
 - V
12S_-
)
V
12ILIM
49
54
59
mV
12G_ Gate Charge Current
I
12G_CHG
V
12G_
= GND
4
5
6
Normal turn-off, ON_ = GND, V
12G
_ = 2V
50
150
250
12G_ Gate Discharge Current
I
12G_DIS
O utp ut shor
t- ci r cui t cond i ti on, str ong g
ate p ul l d ow n
to r eg ul ati on, V
1 2V IN
 -
 V
1 2S _
 e 1V , V
1 2G_
= 5V
50
120
180
mA
12G_ Gate High Voltage
V
12G_
- V
12VIN
)
V
12G_H
I
12G_
 = 1礎
4.8
5.3
5.8
V
12G_ Threshold Voltage For
WRGD_ Assertion (Note 2)
V
PGTH12
Referred to V
12VIN
, I
12G_
 = 1礎
-3.0
-4
-4.8
V
12S_- Input Bias Current
1
12S_+ Input Bias Current
20
60
.3V SUPPLY
.3V Supply Voltage Range
V
3.3SA+
,
V
3.3SB+
3.0
3.3
3.6
V
3.3SA+ rising
2.52
2.65
2.78
V
Undervoltage Lockout
Note 3)
Hysteresis
30
mV
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