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參數(shù)資料
| 型號： | MAX5945EAX+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 23/44頁 |
| 文件大小： | 0K |
| 描述： | IC NETWORK PWR CTRL 36-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 控制器類型： | 網(wǎng)絡(luò)電源控制器 |
| 接口： | I²C |
| 電源電壓： | 3.3V |
| 電流 - 電源： | 4.2mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-BSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 36-SSOP |
| 包裝： | 帶卷 (TR) |
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MAX5945
Quad Network Power Controller
for Power-Over-LAN
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(AGND = +32V to +60V, VEE = 0V, VDD to DGND = +3.3V, all voltages are referenced to VEE, unless otherwise noted. Typical
values are at AGND = +48V, DGND = +48V, VDD = (DGND + 3.3V), TA = +25°C. Currents are positive when entering the pin and
negative otherwise.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Foldback Current-
Limit Threshold
VTH_FB
VOUT_ = VAGND
64
mV
SENSE_ Input Bias Current
VSENSE_ = VEE
-2
A
SUPPLY MONITORS
VEE Undervoltage Lockout
VEEUVLO
VAGND - VEE, (VAGND - VEE) increasing
27
28.5
30
V
VEE Undervoltage-Lockout
Hysteresis
VEEUVLOH
3V
VEE Overvoltage
VEE_OV
(VAGND - VEE) > VEE_OV, VAGND increasing
61
62.5
64
V
VEE Overvoltage Hysteresis
VOVH
1V
VEE Undervoltage
VEE_UV
(VAGND - VEE) < VEE_UV, VAGND decreasing
39
40
41
V
VDD Overvoltage
VDD_OV
(VDD - VDGND) > VDD_OV, VDD increasing
3.57
3.71
3.90
V
VDD Undervoltage
VDD_UV
(VDD - VDGND) < VDD_UV, VDD decreasing
2.55
2.82
2.97
V
VDD Undervoltage Lockout
VDDUVLO
Device operates when (VDD - VDGND) >
VDDUVLO, VDD increasing
1.7
V
VDD Undervoltage-Lockout
Hysteresis
VDDHYS
120
mV
Thermal-Shutdown Threshold
TSHD
Ports shut down and device resets if its junction
temperature exceeds this limit, temperature
increasing
+150
°C
Thermal-Shutdown Hysteresis
TSHDH
20
°C
OUTPUT MONITOR
OUT_ Input Current
IBOUT
VOUT = VAGND, all modes
2
A
Idle Pullup Current at OUT_
IDIS
OUT_ discharge current, detection and
classification off, port shutdown,
VOUT_ = VAGND - 2.8V
200
260
A
PGOOD High Threshold
PGTH
VOUT_ - VEE, OUT_ decreasing
1.8
2.0
2.2
V
PGOOD Hysteresis
PGHYS
220
mV
PGOOD Low-to-High Glitch
Filter
tPGOOD
Minimum time PGOOD has to be high to set bit in
register 10h
24
ms
LOAD DISCONNECT
DC Load Disconnect
Threshold
VDCTH
Minimum VSENSE allowed before disconnect (DC
disconnect active), VOUT_ = VEE
34
5
mV
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5945EVKIT | 功能描述:電源管理IC開發(fā)工具 Evaluation Kit/Evaluation System for the MAX5945 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX5945EVSYS | 功能描述:電源管理IC開發(fā)工具 Evaluation Kit/Evaluation System for the MAX5945 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| 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 |
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