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參數(shù)資料
| 型號(hào)： | NCP304HSQ11T1 |
| 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, PDSO4 |
| 封裝： | SC-82AB, 4 PIN |
| 文件頁(yè)數(shù)： | 18/24頁(yè) |
| 文件大?。?/td> | 244K |
| 代理商： | NCP304HSQ11T1 |
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NCP304, NCP305
http://onsemi.com
18
Figure 29. Microprocessor Reset Circuit with Additional Hysteresis
2
1
LSN27T1
LSQ27T1
3
V
DD
D
Reset Output
Input
R
H
R
L
NCP301
NCP305
GN
GN
D
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
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
2.70
2.70
2.70
3.04
0.34
470
6.8
Figure 30. Simple Clock Oscillator
LSN27T1
HSQ27T1
D
Reset Output
Input
82 k
NCP301
NCP302
GN
C
5.0 V
100 k
C ( F)
f
OSC
(kHz)
I
Q
( A)
0.01
2590
21.77
0.1
490
21.97
1.0
52
22.07
Test Data
2
3
1
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相關(guān)代理商/技術(shù)參數(shù) |
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| NCP304HSQ12T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
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| NCP304HSQ14T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP304HSQ15T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP304HSQ16T1 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Voltage Detector Series |
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