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參數(shù)資料
| 型號： | MAX5913AEMH+ |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 614K |
| 描述： | IC HOT SWAP CTLR QUAD 48V 44MQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 類型： | 熱交換控制器 |
| 應(yīng)用： | IP 電話，LAN 網(wǎng)絡(luò)供電，網(wǎng)絡(luò)路由器和交換機(jī) |
| 內(nèi)部開關(guān)： | 無 |
| 電源電壓： | 35 V ~ 72 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-QFP |
| 供應(yīng)商設(shè)備封裝： | 44-MQFP（10x10） |
| 包裝： | 托盤 |
+48V Quad Hot-Swap Controllers For
Power-Over-LAN
10 ______________________________________________________________________________________
Pin Description (continued)
PIN
NAME
FUNCTION
8, 12, 21, 25
OUT4, OUT3,
OUT2, OUT1
MOSFET Source Output Voltage Sense. Connect to a power MOSFET source through a
100& series resistor.
9, 13, 22, 26
GATE4, GATE3,
GATE2, GATE1
MOSFET Gate Driver Output. The MAX5913A/MAX5914A regulate the gate-drive voltage
to (V
CC
+ 9V) to fully turn on the power n-channel MOSFET. GATE_ sources 10礎(chǔ) during
startup to slowly turn on the MOSFET switch. GATE_ sinks 1mA to turn off the MOSFET
switch.
14
V
RLY
Relay Supply-Voltage Input. Referenced to DGND.
15, 16, 18,
19
RLYD3, RLYD4,
RLYD1, RLYD2
Relay-Drive Output. For the MAX5913A, RLYD_ sinks 100mA when the relay driver is
enabled. For the MAX5914A, RLYD_ sources 1mA when the relay driver is enabled.
17, 30
DGND
Digital Ground. All logic voltages are referred to DGND. The voltage difference between
DGND and AGND can be up to ?V.
20
AGND
Analog Ground. All analog voltages are referred to AGND.
29
V
CC
Analog Power Supply. Connect V
CC
to +35V to +72V power supply. UVLO circuitry turns
off the MOSFET switch and relay for V
CC
< V
UVLO
. Bypass V
CC
to AGND with a 1礔
capacitor.
31
OCEN
Open-Circuit Detector Enable Input. Drive OCEN high to enable open-circuit detector, or
drive low to disable. When enabled, the open-circuit detector waits for a 900ms delay
after Power-OK conditions are met before enabling the open-circuit detector function.
32
STATOUT
Status Output Multiplexer (MUX) Control Input. Controls the signal MUX into the STAT_
outputs. Drive STATOUT high to route Power-OK_ status to STAT_ outputs, or drive
STATOUT low to route Port-OC_ status to STAT_ outputs.
33
RTRYEN
Auto-Retry Enable Input. Drive RTRYEN high to enable auto-retry. Drive RTRYEN low to
enable switch latch-off mode. When switch is latched off, a high-to-low transition on the
ON_ control input clears the latch.
34
DC
Duty-Cycle Programming Input. DC sets the minimum off-time after an overcurrent
condition latches off the switch. When RTRYEN is high, DC sets the auto-retry duty cycle.
Drive DC low for 1% duty cycle, drive DC high for 2%, or leave DC unconnected for 4%
duty cycle.
35, 37, 39,
41
RLYON1, RLYON2,
RLYON3, RLYON4
Relay-Driver Control Input. Drive RLYON_ high to enable RLYD_, drive RLYON_ low to
turn off the MOSFET switch for the channel and disable RLYD_.
36, 38, 40,
42
ON1, ON2, ON3,
ON4
MOSFET Switch Control Input. Drive ON_
high to enable GATE_ to turn on the MOSFET
switch. RLYON_ must be high to enable the switch. Drive ON_ low to disable the switch.
Pulling ON_ low also resets the latch when RTRYEN is low or if the switch is latched off
due to open-circuit detection.
43
RTIM
Timing Oscillator Frequency Set Input. Connect a 2k& to 40k& resistor from RTIM to
DGND to set the maximum continuous overcurrent time, t
O
. Leave RTIM unconnected to
set default 6.4ms t
O
.
44
V
DD
Digital Power Supply. Bypass V
DD
to DGND with a 1礔 capacitor.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5913AEMH+ | 功能描述:熱插拔功率分布 48V Hot-Swap 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 |
| MAX5913AEMH+D | 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 44MQFP - Rail/Tube |
| MAX5913AEMH+T | 功能描述:熱插拔功率分布 48V Hot-Swap 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 |
| MAX5913AEMH+TD | 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 44MQFP - Tape and Reel |
| MAX5913AEMH-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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