參數(shù)資料
型號(hào)： NCP302LSN33T1G
廠商： ON SEMICONDUCTOR
元件分類： 電源管理
英文描述： Automotive Catalog Ultra-Low Quiescent Current 150-mA Low-Dropout Voltage Regulators 8-SOIC -40 to 125
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝： LEAD FREE, SOT-23, SC-59, TSOP-5
文件頁數(shù)： 20/26頁
文件大?。?/td> 191K
代理商： NCP302LSN33T1G
NCP302, NCP303
http://onsemi.com
20
Figure 43. Microcontroller Systems Load Sensing
LSN27T1
LSN09T1
50 k
NCP301
NCP303
V
supply
Load
R
sense
Input
2
3
GND
1
Reset Output
Microcontroller
GND
V
DD
If:
I
Load
I
Load
V
DET
/R
sense
(V
DET
+V
HYS
)/R
sense
Then:
Reset Output = 0 V
Reset Output = V
DD
This circuit monitors the current at the load. As
current flows through the load, a voltage drop with
respect to ground appears across R
sense
where
V
sense
= I
load
* R
sense.
The following conditions apply:
5
C
D
Figure 44. LED Bar Graph Voltage Monitor
LSN27T1
LSN45T1
2
NCP301
NCP303
3
1
V
supply
LSN27T1
2
NCP301
NCP303
3
1
LSN27T1
LSN18T1
2
NCP301
NCP303
3
1
Input
GND
Reset
Output
Input
GND
Reset
Output
Input
GND
Reset
Output
V
in
= 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 (V
DET
+V
HYS
) is exceeded. Note that detector
thresholds (V
DET
) that range from 0.9 V to 4.9 V in 100 mV steps can be manufactured.
5
C
D
5
C
D
5
C
D
相關(guān)PDF資料
PDF描述
NCP302LSN38T1G Single Output LDO, 150mA, Fixed(1.5V), Low Quiescent Current, Power Good (PG) Output 8-SOIC
NCP302LSN40T1 Voltage Detector Series with Programmable Delay
NCP302LSN43T1 Voltage Detector Series with Programmable Delay
NCP302LSN45T1 Voltage Detector Series with Programmable Delay
NCP302LSN45T1G Single Output LDO, 150mA, Fixed(1.8V), Low Quiescent Current, Power Good (PG) Output 8-SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP302LSN34T1 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:Motorola Inc 功能描述: 制造商:ON Semiconductor 功能描述:
NCP302LSN35T1 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
NCP302LSN36T1 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:Motorola Inc 功能描述: 制造商:ON Semiconductor 功能描述:
NCP302LSN37T1 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:ON Semiconductor 功能描述:
NCP302LSN38T1 功能描述:電壓監(jiān)測器/監(jiān)控器 3.8V Detector RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 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
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