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參數(shù)資料
| 型號： | NUS3045MNT1G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 電源管理 |
| 英文描述： | Overvoltage Protection IC with Integrated MOSFET |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8 |
| 封裝： | 3.30 X 3.30 MM, LEAD FREE, DFN-8 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 138K |
| 代理商： | NUS3045MNT1G |
NUS2045MN, NUS3045MN
http://onsemi.com
2
Figure 1. Simplified Schematic
+
IN
V
CC
GND
CNTRL
OUT
GATE
Schottky
Diode
LOAD
Microprocessor Port
NUSx045
C1
Undervoltage
Lock Out
Logic
FET
Driver
PCH
V
ref
AC/DC Adapter of
Accessory Charger
+
PIN FUNCTION DESCRIPTIONS
Pin #
Symbol
Pin Description
1
IN
This pin senses an external voltage point. If the voltage on this input rises above the overvoltage threshold
(V
), the OUT pin will be driven to within 1.0 V of V
, thus disconnecting the FET. The nominal threshold level
is 6.85 V and this threshold level can be increased with the addition of an external resistor between IN and V
CC
.
2, 10
GND
Circuit Ground
3
CNTRL
This logic signal is used to control the state of OUT and turnon/off the Pchannel MOSFET. A logic High
results in the OUT signal being driven to within 1.0 V of V
CC
which disconnects the FET. If this pin is not used,
the input should be connected to ground.
4, 9
DRAIN
Drain pin of the power MOSFET
5
SRC
Source pin of the power MOSFET
6
GATE
Gate pin of the power MOSFET
7
OUT
This signal drives the gate of a Pchannel MOSFET. It is controlled by the voltage level on IN or the logic state
of the CNTRL input. When an overvoltage event is detected, the OUT pin is driven to within 1.0 V of V
CC
in less
than 1.0 _sec provided that gate and stray capacitance is less than 12 nF.
8
V
CC
Positive Voltage supply. If V
falls below 2.8 V (nom), the OUT pin will be driven to within 1.0 V of V
CC
, thus
disconnecting the Pchannel FET.
OVERVOLTAGE PROTECTION CIRCUIT TRUTH TABLE
IN
CNTRL
OUT
<V
th
L
GND
<V
th
H
V
CC
>V
th
L
V
CC
>V
th
H
V
CC
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| NUS2401SNT1 | Integrated PNP/NPN Digital Transistors Array |
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| NUS3046MN | Overvoltage Protection IC with Integrated MOSFET |
| NUS3046MNT1G | Overvoltage Protection IC with Integrated MOSFET |
| NUS3055MUTAG | Low Profile Overvoltage Protection IC with Integrated MOSFET |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NUS3046MN | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Overvoltage Protection IC with Integrated MOSFET |
| NUS3046MNT1G | 功能描述:MOSFET 5.5V OVP IC W/ FET RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| NUS3055MUTAG | 功能描述:監(jiān)控電路 LO PROFILE OVERVLTG 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 |
| NUS3065MU | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Profile Overvoltage Protection IC with Integrated MOSFET |
| NUS3065MUTAG | 功能描述:監(jiān)控電路 LO PROFILE OVERVLTG 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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