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參數(shù)資料
| 型號： | TC1279-15ENBTR |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 3-Pin Reset Monitors for 5V Systems |
| 中文描述： | 3引腳復(fù)位監(jiān)控器的5V系統(tǒng) |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 395K |
| 代理商： | TC1279-15ENBTR |
2007 Microchip Technology Inc.
DS21384D-page 5
TC1278/TC1279
3.0
APPLICATIONS INFORMATION
3.1
Operation – Power Monitor
The TC1278/TC1279 provide the function of detecting
out-of-tolerance power supply conditions and warning
a processor-based system of impending power failure.
When V
CC
is detected as out-of-tolerance, the RESET
signal is asserted. On power-up, RESET is kept active
for approximately 350 ms after the power supply has
reached the selected tolerance. This allows the power
supply and microprocessor to stabilize before RESET
is released.
FIGURE 3-1:
Diagram.
TC1279 Power Up Timing
FIGURE 3-2:
Timing Diagram.
TC1279 Power-Down
FIGURE 3-3:
Diagram.
TC1278 Power-Up Timing
FIGURE 3-4:
Timing Diagram.
TC1278 Power-Down
4.75V
V
CCTP
4.00V
t
R
V
CC
RESET
t
RPU1
V
OH
V
CC
RESET
4.75V
V
CCTP
4.00V
V
OL
t
RPD1
t
F
t
R
t
RPU2
V
OL
V
CCTP
V
CC
RESET
V
CCTP(MAX)
V
CCTP(MIN)
t
F
t
RPD2
V
CC
4.74V
V
CCTP
V
OH
RESET
4.00V
RESET SLEWS WITH V
CC
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| TC1279-5ENBTR | 3-Pin Reset Monitors for 5V Systems |
| TC1278-10ENB | 3-Pin Reset Monitors for 5V Systems |
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| TC1278-15ENB | 3-Pin Reset Monitors for 5V Systems |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1279-5ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1279-5ENBTR | 功能描述:監(jiān)控電路 3-Pin for 5V Systems 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 |
| TC127A | 制造商:Thomas & Betts 功能描述:Fittings Connector 2.5inch Steel |
| TC127SC-1 | 制造商:Thomas & Betts 功能描述:2-1/2 STEEL EMT SETSCREW CONNECTOR |
| TC128A | 制造商:Thomas & Betts 功能描述:Connector Accessories Conduit Steel Zinc Plated |
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