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參數(shù)資料
| 型號： | TC1270ALVRCTR |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Voltage Supervisor with Manual Reset Input |
| 中文描述： | 電壓監(jiān)控器，帶有手動復(fù)位輸入 |
| 文件頁數(shù)： | 23/40頁 |
| 文件大小： | 384K |
| 代理商： | TC1270ALVRCTR |
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2007 Microchip Technology Inc.
DS22035B-page 23
TC1270A/70AN/71A
5.0
APPLICATION INFORMATION
This section shows application related information that
may be useful for your particular design requirements.
5.1
Supply Monitor Noise Sensitivity
The TC127XA devices are optimized for fast response
to negative-going changes in V
DD
. Systems with an
inordinate amount of electrical noise on V
DD
(such as
systems using relays) may require a 0.01 μF or 0.1 μF
bypass capacitor to reduce detection sensitivity. This
capacitor should be installed as close to the TC127XA
as possible to keep the capacitor lead length short.
FIGURE 5-1:
with Bypass Capacitor.
Typical Application Circuit
5.2
Conventional Voltage Monitoring
Figure 5-2
and
Figure 5-3
show the TC127XA in
conventional voltage monitoring applications.
FIGURE 5-2:
Battery Voltage Monitor.
FIGURE 5-3:
Power Good Monitor.
5.3
Using in PIC
Microcontroller,
ICSP Applications
Figure 5-4
shows the typical application circuit for using
the TC1270AN for voltage supervisory function when
the PIC microcontroller will be programmed via the
In-Circuit Serial Programming (ICSP) feature.
Additional information is available in TB087,
“Using
Voltage Supervisors with PICmicro
Microcontroller
Systems which Implement In-Circuit Serial Program-
ming”
, DS91087.
FIGURE 5-4:
for PIC
Microcontroller with the ICSP
Feature.
Typical Application Circuit
TC127XA
V
DD
RST
RST
V
SS
0.1 μF
MR
V
DD
RST
V
SS
BATLOW
TC127XA
+
–
V
DD
RST
V
SS
Power Good
TC127XA
+
–
Pwr
Sply
Note:
This operation can only be done using the
device with the Open-Drain RST pin
(TC1270AN).
Note:
It is recommended that the current into the
RST pin be current limited by a 1 k
Ω
resistor.
TC1270AN
V
DD
V
DD
/V
PP
V
DD
PIC
RST
MCLR
Reset input)
(Active-Low)
V
SS
V
SS
Microcontroller
R
PU
0.1 μF
1 k
Ω
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| TC1270AMBVCTTR | Voltage Supervisor with Manual Reset Input |
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| TC1270AMCVCTTR | Voltage Supervisor with Manual Reset Input |
| TC1270AMCVRCTR | Voltage Supervisor with Manual Reset Input |
| TC1270AMVCTTR | Voltage Supervisor with Manual Reset Input |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1270AMBVCTTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input |
| TC1270AMBVRCTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input |
| TC1270AMCVCTTR | 功能描述:監(jiān)控電路 Vltg Detector 4.38V Reset Threshold RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TC1270AMCVRCTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input |
| TC1270AMVCTTR | 功能描述:監(jiān)控電路 5Pin uP Reset Mon 4.38V Reset Thresh RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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