參數(shù)資料
型號： MAX5946LETX
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Dual PCI Express, Hot-Plug Controller
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, QCC36
封裝： 6 X 6 MM, 0.90 MM HEIGHT, MO-220, QFN-36
文件頁數(shù)： 2/23頁
文件大?。?/td> 1019K
代理商： MAX5946LETX
M
Dual PCI Express, Hot-Plug
Controller
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
(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
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 Other Pins to GND......................-0.3V to (V
3.3VAUXIN
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
36-Pin Thin QFN (derate 26.3mW/°C above +70°C).....2.105W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
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°C to +85°C, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
12V SUPPLY
12V Supply Voltage Range
V
12VIN
10.8
9.5
12
10
0.1
0.5
13.2
10.5
V
V
12VIN
rising
Hysteresis
V
12VIN
= 13.2V
12VIN Undervoltage Lockout
V
12UVLO
V
12VIN Supply Current
12VIN CONTROL
I
12VIN
1
mA
12VIN Current-Limit
Threshold (V
12S_+
- V
12S_-
)
12G_ Gate Charge Current
V
12ILIM
49
54
59
mV
I
12G_CHG
V
12G_
= GND
Normal turn-off, ON_ = GND, V
12G
_ = 2V
O utp ut shor - ci cui cond i on, str ong g ate p ul d ow n
to r eg ul ati on, V
1 2V N
- V
1 2S _
≥
1V V
1 2G_
= 5V
4
50
5
6
μA
μA
150
250
12G_ Gate Discharge Current
I
12G_DIS
50
120
180
mA
12G_ Gate High Voltage
(V
12G_
- V
12VIN
)
V
12G_H
I
12G_
= 1μA
4.8
5.3
5.8
V
12G_ Threshold Voltage For
PWRGD_
Assertion (Note 2)
V
PGTH12
Referred to V
12VIN
, I
12G_
= 1μA
-3.0
-4
-4.8
V
12S_- Input Bias Current
12S_+ Input Bias Current
3.3V SUPPLY
1
60
μA
μA
20
3.3V Supply Voltage Range
V
3.3SA+
,
V
3.3SB+
3.0
3.3
3.6
V
3.3SA+ rising
Hysteresis
2.52
2.65
30
2.78
V
Undervoltage Lockout
(Note 3)
mV
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相關代理商/技術參數(shù)
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