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參數(shù)資料
| 型號(hào)： | MAX5946 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual PCI Express, Hot-Plug Controller |
| 中文描述： | 雙通道PCI Express、熱插拔控制器 |
| 文件頁(yè)數(shù)： | 4/23頁(yè) |
| 文件大?。?/td> | 1019K |
| 代理商： | MAX5946 |
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M
Dual PCI Express, Hot-Plug
Controller
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(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
PRES-DET_
High-to-Low
Deglitch Time
t
DEG
3
5
7
ms
PORADJ = open
R
PORADJ
= 20k
R
PORADJ
= 100k
R
PORADJ
= 200k
90
35
145
160
55
265
570
250
75
380
PWRGD_
Power-On Reset
Time (Note 2)
t
POR_HL
ms
PWRGD_
Low-to-High
Deglitch Time
t
POR_LH
4
μs
Sinking 2mA
Sinking 30mA
0.1
0.7
PWRGD_
,
FAULT_
Output
Low Voltage
V
PWRGD_
,
FAULT_
Output-
High Leakage Current
V
PWRGD_
= V
FAULT_
= 5.5V
1
μA
TIM = open
R
TIM
= 15k
R
TIM
= 120k
R
TIM
= 300k
5.5
1.4
12
11
2.6
22
59
17.0
3.8
32
FAULT_
Timeout
t
FAULT
ms
FAULT_
Timeout During
Startup
t
SU
2 x t
FAULT
ms
Autorestart Delay Time
t
RESTART
64 x t
FAULT
ms
Fault Reset Minimum Pulse
Width (Note 4)
t
RESET
100
μs
Thermal-Shutdown Threshold
T
SD
T
J
rising
+150
°C
Thermal-Shutdown Threshold
Hysteresis
20
°C
OUTPUT_ Debounce Time
t
DBC
2.6
4.4
6.2
ms
OUTPUT_ High Voltage
Sourcing 2mA
V
3.3VAUXIN
- 0.3
V
3.3 V AU X N
V
OUTPUT_ Low Voltage
Sinking 2mA
0.4
V
Note 1:
100% production tested at T
A
= +25°C. Parameters over temperature are guaranteed by design.
Note 2:
PWRGD_
asserts a time t
POR_HL
after V
PGTH12
, V
PGTH3.3
, and V
PGTH3.3AUX
conditions are met.
Note 3:
The UVLO for the 3.3V supply is sensed at 3.3SA+.
Note 4:
This is the time that ON_ or AUXON_ must stay low when resetting a fault condition.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5946AETJ | 制造商:Maxim Integrated Products 功能描述:DUAL PCI-EXPRESS HOT-PLUG CONTROLLER - Rail/Tube |
| MAX5946AETX | 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5946AETX+ | 功能描述:熱插拔功率分布 Dual PCIe Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5946AETX+T | 功能描述:熱插拔功率分布 Dual PCIe Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5946AETX-T | 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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