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參數(shù)資料
| 型號(hào)： | NCP301HSN35T1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 電源管理 |
| 英文描述： | Voltage Detector Series |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | PLASTIC, SC-59, SOT-23, TSOP-5 |
| 文件頁(yè)數(shù)： | 17/22頁(yè) |
| 文件大?。?/td> | 163K |
| 代理商： | NCP301HSN35T1 |
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NCP300, NCP301
http://onsemi.com
17
APPLICATION CIRCUIT INFORMATION
Low state output if either power
supply is below the respective
undervoltage detector threshold
but greater than 1.0 V.
2
1
NCP301
LSN45T1
Figure 25. Dual Power Supply Undervoltage Supervision
3
V
supply
2
1
NCP301
LSN30T1
3
3.3 V
5.0 V
Input
Reset Output
GND
Input
Reset Output
GND
Figure 26. Microprocessor Reset Circuit with Additional Hysteresis
2
1
LSN27T1
3
V
DD
Reset Output
Input
R
H
R
L
NCP301
GND
GND
Reset
V
DD
Microprocessor
Comparator hysteresis can be increased with the addition of
resistor R
H
. The hysteresis equations have been simplified and
do not account for the change of input current I
in
as V
in
crosses
the comparator threshold. The internal resistance, R
in
is simply
calculated using I
in
= 0.26 A at 2.6 V.
V
in
Decreasing:
R
H
R
in
V
th
1
V
DET
V
in
Increasing:
V
th
R
H
R
in
R
L
1
V
DET
V
HYS
V
HYS
= V
in
Increasing V
in
Decreasing
Test Data
V
th
Decreasing
V
th
Increasing
V
HYS
R
H
R
L
ááááááááááááá
á
á
á
á
á
á
ááááááááááááááá
áááá
áááá
áááá
áááá
áááá
áááá
2.70
2.70
2.70
2.70
2.70
2.70
á
á
á
á
á
á
3.15
áááá
áááá
áááá
áááá
áááá
áááá
á
2.88
2.90
2.94
2.70
3.04
á
á
á
á
á
0.35
á
0.135
0.17
0.19
0.21
0.20
0.24
0.28
0.27
0.34
á
á
á
á
á
470
100
100
100
220
220
220
470
470
áá
á
áá
áá
á
á
6.8
10
6.8
10
6.8
4.3
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PDF描述 |
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| NCP300LSN39T1 | DIODE ZENER SINGLE 350mW 36Vz 3.4mA-Izt 0.05 0.1uA-Ir 27 SOT-23 3K/REEL |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP301HSN36T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP301HSN37T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP301HSN38T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP301HSN39T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP301HSN40T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
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