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參數資料
| 型號： | TCM809ZENB |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23B, 3 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 298K |
| 代理商： | TCM809ZENB |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TCM809ZENB713 | 功能描述:監控電路 Micro 2.32V Reset Mon RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TCM809ZVB713 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809ZVLB713 | 功能描述:監控電路 Microprocessor 2.32V RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TCM809ZVLB713 | 制造商:Microchip Technology Inc 功能描述:RESET MONITOR 2.32V SC-70-3 809 |
| TCM809ZVN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
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