參數(shù)資料
型號(hào): NCP303LSN41T1
廠商: ON SEMICONDUCTOR
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝: SC-59, TSOT-23, TSOP-5
文件頁(yè)數(shù): 13/28頁(yè)
文件大?。?/td> 199K
代理商: NCP303LSN41T1
NCP302, NCP303
http://onsemi.com
20
Figure 43. Microcontroller Systems Load Sensing
NCP301
LSN27T1
50 k
NCP301
LSN27T1
NCP303
LSN09T1
Vsupply
Load
Rsense
Input
2
3
GND
1
Reset Output
Microcontroller
GND
VDD
If:
ILoad t VDET /Rsense
ILoad w (VDET +VHYS)/Rsense
Then:
Reset Output = 0 V
Reset Output = VDD
This circuit monitors the current at the load. As
current flows through the load, a voltage drop with
respect to ground appears across Rsense where
Vsense = Iload * Rsense. The following conditions apply:
5
CD
Figure 44. LED Bar Graph Voltage Monitor
NCP301
LSN27T1
2
NCP301
LSN27T1
NCP303
LSN45T1
3
1
Vsupply
NCP301
LSN27T1
2
NCP301
LSN27T1
NCP303
LSN27T1
3
1
NCP301
LSN27T1
2
NCP301
LSN27T1
NCP303
LSN18T1
3
1
Input
GND
Reset
Output
Input
GND
Reset
Output
Input
GND
Reset
Output
Vin = 1.0 V to 10 V
A simple voltage monitor can be constructed by connecting several voltage detectors as shown above. Each LED will
sequentially turn on when the respective voltage detector threshold (VDET +VHYS) is exceeded. Note that detector
thresholds (VDET) that range from 0.9 V to 4.9 V in 100 mV steps can be manufactured.
5
CD
5
CD
5
CD
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP303LSN42T1 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 4.2V Detector RoHS:否 制造商:Texas Instruments 監(jiān)測(cè)電壓數(shù):2 監(jiān)測(cè)電壓:Adjustable 輸出類(lèi)型:Open Drain 欠電壓閾值: 過(guò)電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT
NCP303LSN42T1G 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 4.2V Detector w/Reset Low RoHS:否 制造商:Texas Instruments 監(jiān)測(cè)電壓數(shù):2 監(jiān)測(cè)電壓:Adjustable 輸出類(lèi)型:Open Drain 欠電壓閾值: 過(guò)電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT
NCP303LSN43T1 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:ON Semiconductor 功能描述:
NCP303LSN44T1 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 4.4V Detector RoHS:否 制造商:Texas Instruments 監(jiān)測(cè)電壓數(shù):2 監(jiān)測(cè)電壓:Adjustable 輸出類(lèi)型:Open Drain 欠電壓閾值: 過(guò)電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT
NCP303LSN44T1G 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 4.4V Detector w/Reset Low RoHS:否 制造商:Texas Instruments 監(jiān)測(cè)電壓數(shù):2 監(jiān)測(cè)電壓:Adjustable 輸出類(lèi)型:Open Drain 欠電壓閾值: 過(guò)電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT