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參數(shù)資料
| 型號： | NUS1204MN |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Overvoltage Protection IC with Integrated MOSFET |
| 中文描述： | 過壓保護集成電路集成MOSFET |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 67K |
| 代理商： | NUS1204MN |
NUS1204MN
http://onsemi.com
2
Figure 1. Simplified Schematic
+
IN
SOURCE
GND
OUT
GATE
Schottky
Diode
LOAD
C1
PCH
V
ref
AC/DC Adapter of
Accessory Charger
+
DRAIN
PIN FUNCTION DESCRIPTIONS
Pin #
Symbol
Pin Description
1
GATE
Gate pin of the PChannel Power MOSFET
2
OUT
This signal drives the gate of a Pchannel Power MOSFET. It is controlled by the voltage level on the IN pin.
When an overvoltage event is detected, the OUT pin is driven to within 1.0 V of V
IN
in less than 20 sec
provided that gate and stray capacitance is less than 12 nF.
3, 7
GND
Circuit Ground
4
IN
This pin senses an external voltage point. If the voltage on this input rises above the overvoltage threshold
(V
TH
), the OUT pin will be driven to within 1.0 V of V
IN
, thus disconnecting the PChannel Power MOSFET.
The nominal threshold level is 4.725 V and this threshold level can be increased with the addition of an external
resistor between the IN pin and the adapter.
5
SOURCE
Source pin of the PChannel Power MOSFET
6, 8
DRAIN
Drain pin of the PChannel Power MOSFET
OVERVOLTAGE PROTECTION CIRCUIT TRUTH TABLE
IN
OUT
<V
th
GND
>V
th
V
IN
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NUS1204MNT1G | 功能描述:監(jiān)控電路 OVERVOLTAGE PROTECT IC 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（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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| NUS2045MN | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Overvoltage Protection IC with Integrated MOSFET |
| NUS2045MNT1 | 功能描述:IC OVP W/20V P-CH MOSFET DFN8 RoHS:否 類別:過電壓，電流，溫度裝置 >> TVS - 其它復合 系列:- 標準包裝:1 系列:- 電壓 - 工作:120V 電壓 - 箝位:- 技術:混合技術 功率（瓦特）:- 電路數(shù):1 應用:通用 封裝/外殼:模塊 供應商設備封裝:- 包裝:散裝 其它名稱:UAK 2-PE/S-X-120AC-STUAK2-PE/S-X-120AC-ST |
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