參數(shù)資料
型號(hào): NCP305
廠商: ON SEMICONDUCTOR
英文描述: Voltage Detector Series(電壓檢測(cè)器系列)
中文描述: 電壓檢測(cè)器系列(電壓檢測(cè)器系列)
文件頁(yè)數(shù): 17/23頁(yè)
文件大小: 190K
代理商: NCP305
NCP304, NCP305
http://onsemi.com
17
Figure 29. Microprocessor Reset Circuit with Additional Hysteresis
2
1
LSN27T1
LSQ27T1
4
V
DD
GND
Reset Output
Input
R
H
R
L
NCP301
NCP305
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:
V
th
R
H
R
in
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
(mV)
V
th
Increasing
(mV)
V
HYS
(mV)
R
H
( )
R
L
(k )
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
áááááááááááááááá
2.70
2.70
2.70
2.70
2.84
2.88
2.94
3.04
0.135
0.19
0.24
0.34
0
100
220
470
-
6.8
6.8
6.8
Figure 30. Simple Clock Oscillator
LSN27T1
HSQ27T1
GND
Reset Output
Input
82 k
NCP301
NCP302
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
4
1
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NCP304 Voltage Detector Series(電壓檢測(cè)器系列)
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參數(shù)描述
NCP305 K97K WAF 制造商:ON Semiconductor 功能描述:
NCP305LSQ09T1 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 0.9V 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
NCP305LSQ09T1G 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 0.9V 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
NCP305LSQ10T1 制造商:Rochester Electronics LLC 功能描述:- Bulk
NCP305LSQ11T1 功能描述:電壓監(jiān)測(cè)器/監(jiān)控器 1.1V 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