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參數(shù)資料
| 型號： | NIS5112D2R2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 電源管理 |
| 英文描述： | Electronic Fuse |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數(shù)： | 8/9頁 |
| 文件大小： | 102K |
| 代理商： | NIS5112D2R2G |
NIS5112
http://onsemi.com
8
There is an inherent delay in the turn on of the electronic
fuse, due to the method of gate drive used. The gate of the
power FET is charged through a high impedance resistor,
and from the time that the gate starts charging until the time
that it reaches its threshold voltage, there will be no
conduction. Once the gate reaches its threshold voltage, the
output current will begin a controlled ramp up phase.
This delay will be added to any timing delay due to the
enable/timer circuit. Figure 8 shows a simplified diagram of
the enable/timer circuit.
Figure 8. Simplified Schematic Diagram of the
Enable/Timer Circuit
+
Enabled
2.5 V
80 A
Enable/
Timer
Thermal Protection Circuit
The temperature limit circuit senses the temperature of the
Power FET and removes the gate drive if the maximum level
is exceeded. The NIS5112 device has two different thermal
limit versions, autoretry and latch off.
AutoRetry Version
The device will shut down when the thermal limit
threshold is reached (T
J
= 135
°
C, typical) and will not turn
back on until the die temperature reduces down to 95
°
C
(40
°
C hysteresis, typical). It will keep autoretrying until
the fault condition is removed or power is turnedoff.
LatchOff Version
For the latchoff version, the device will shut down when
the thermal limit threshold is reached (T
J
= 135
°
C, typical)
and will remain off until power is reset.
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|---|---|
| NIS5112D2R2G-CUT TAPE | 制造商:ON 功能描述:NIS Series 12 V 92 uA Surface Mount Electronic Fuse - SOIC-8 |
| NIS5131 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low cap. diode array for 2 Line High Speed USB protection devic |
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| NIS5132-35GEVB | 功能描述:BOARD EVAL ELECT FUSE NIS5132-35 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| NIS5132MN1TXG | 功能描述:監(jiān)控電路 12 V Electronic Fuse RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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