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參數(shù)資料
| 型號(hào)： | TCM809SVNB |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23B, 3 PIN |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 298K |
| 代理商： | TCM809SVNB |
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2002 Microchip Technology Inc.
DS21661B-page 1
M
Features
Precision VDD Monitor for 2.5V, 3.0V, 3.3V, 5.0V
Nominal System Voltage Supplies
140 msec Minimum RESET Timeout Period
RESET Output to VDD = 1.0V (TCM809)
Low Supply Current, 9 A (typ.)
VDD Transient Immunity
Small 3-Pin SC-70 and SOT-23B Packages
No External Components
Push-pull RESET output
Temperature Range:
Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical Microcontroller Power Supply Monitoring
Automotive
Typical Application Circuit
General Description
The TCM809 and TCM810 are cost effective system
supervisor circuits designed to monitor VDD in digital
systems and provide a reset signal to the host proces-
sor when necessary. No external components are
required.
The RESET output is typically driven active within
20 sec (SOT-23) or 65 sec (SC-70) of VDD falling
through the reset voltage threshold. RESET is main-
tained active for a minimum of 140 msec after VDD
rises above the reset threshold. The TCM810 has an
active-high RESET output while the TCM809 has an
active-low RESET output. The output of the TCM809/
TCM810 is valid down to VDD = 1V. Both devices are
available in 3-Pin SOT-23B and SC-70 packages.
The TCM809/TCM810 are optimized to reject fast tran-
sient glitches on the VDD line. Low supply current of
9 A (typ., VDD = 3.3V) makes these devices suitable
for battery powered applications.
Pin Configurations
- Commercial, SC-70(E):
-40
°C to +85°C
- Industrial, SOT-23, SC-70(V):
-40
°C to +125°C
1
TCM809
V
DD
V
DD
V
DD
RESET
INPUT
(Active Low)
GND
PIC
Microcontroller
3
2
SOT-23B/SC-70
Note: 3-Pin SOT-23B is equivalent to JEDEC TO-236
V
DD
TCM809 RESET
GND
TCM
809
TCM
810
1
2
TCM810 (RESET)
3
or
TCM809/TCM810
3-Pin Microcontroller Reset Monitors
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TCM809SVNB713 | 功能描述:監(jiān)控電路 Microprocessor 2.93V RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| TCM809SVNB713-CUT TAPE | 制造商:Microchip 功能描述:TCM809 Series 2.93 V 140 ms 3-Pin Microcontroller Reset Monitor - SOT23B-3 |
| TCM809TEB713 | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809TELB713 | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809TEN | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
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