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參數(shù)資料
| 型號： | TCM809JENBTR |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | TO-236, SOT-23B, 3 PIN |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 53K |
| 代理商： | TCM809JENBTR |
TCM809
TCM810
TCM809/810-01
1/22/01
2001 Microchip Technology Inc.
DS21602A
FEATURES
I Precision VCC Monitor for 2.5, 3.0V, 3.3V, 5.0V
Nominal System Voltage Supplies
I 140msec = Minimum RESET, RESET
Output Duration
I RESET Output to VCC = 1.0V (TCM809)
I Low 12
A Supply Current
I VCC Transient Immunity
I Small 3-Pin SC-70 and SOT-23B Packages
I No External Components
TYPICAL APPLICATIONS
I Computers
I Embedded Systems
I Battery Powered Equipment
I Critical
P Power Supply Monitoring
I Automotive
GENERAL DESCRIPTION
The TCM809 and TCM810 are cost-effective system
supervisor circuits designed to monitor VCC in digital
systems and provide a reset signal to the host processor
when necessary. No external components are required.
The reset output is driven active within 20
sec of VCC
falling through the reset voltage threshold. Reset is main-
tained active for a minimum of 140msec after VCC 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 is valid down to VCC = 1V.
Both devices are available in 3-Pin SOT-23B and SC-70
packages.
The TCM809/810 are optimized to reject fast transient
glitches on the VCC line. Low supply current of 12
A
(VCC = 3.3V) makes these devices suitable for battery
powered applications.
TYPICAL OPERATING CIRCUIT
PIN CONFIGURATION
TCM809
VCC
3
2
1
VCC
RESET
INPUT
GND
PROCESSOR
VCC
RESET**(RESET)
GND
TCM809x
TCM810x
1
2
3
*3-Pin SOT-23B/SC-70
NOTE: *3-Pin SOT-23B is equivalent to JEDEC TO-236
** () is for TCM810
3-Pin Microprocessor Reset Monitors
ORDERING INFORMATION
Part No.
Package
Temp. Range
TCM809xENB
3-Pin SOT-23B
– 40
°C to +85°C
TCM809xVNB
3-Pin SOT-23B
– 40
°C to +125°C
TCM809xVLB
3-Pin SC-70
– 40
°C to +125°C
TCM810xENB
3-Pin SOT-23B
– 40
°C to +85°C
TCM810xVNB
3-Pin SOT-23B
– 40
°C to +125°C
TCM810xVLB
3-Pin SC-70
– 40
°C to +125°C
NOTE: The "x" denotes a suffix for VCC threshold - see table below.
Suffix
Reset VCC Threshold (V)
L
4.63
M
4.38
J
4.00
T
3.08
S
2.93
R
2.63
Z
2.32
NOTE: J version is available for TCM809 only.
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| TCM809JVB713 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809JVLB713 | 功能描述:監(jiān)控電路 Microprocessor 40V 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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| TCM809LEB713 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
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