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参数资料
| 型号： | TCM809JVNB |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | SOT-23B, 3 PIN |
| 文件页数： | 1/6页 |
| 文件大小： | 41K |
| 代理商： | TCM809JVNB |
TCM809
TCM810
TCM809/810-4
11/30/99 TelCom reserves the right to make changes in the circuitry and specifications of its devices.
FEATURES
s
Precision VCC Monitor for 3.0V, 3.3V, 5.0V
Nominal System V Supplies
s
140msec Guaranteed Minimum RESET, RESET
Output Duration
s
RESET Output Guaranteed to VCC = 1.0V (TCM809)
s
Low 17
A Supply Current
s
VCC Transient Immunity
s
Small 3-Pin SOT-23B Package
s
No External Components
TYPICAL APPLICATIONS
s
Computers
s
Embedded Systems
s
Battery Powered Equipment
s
Critical
P Power Supply Monitoring
GENERAL DESCRIPTION
The TCM809 and TCM810 are cost-effective system
supervisor circuits designed to monitor VCC in digital sys-
tems 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 guaranteed valid down
to VCC = 1V. Both devices are available in a 3-Pin SOT-23B
package.
The TCM809/810 are optimized to reject fast transient
glitches on the VCC line. Low supply current of 17A (VCC =
3.3V) makes these devices suitable for battery powered
applications.
TYPICAL OPERATING CIRCUIT
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
TCM810xENB
3-Pin SOT-23B
– 40
°C to +85°C
TCM810xVNB
3-Pin SOT-23B
– 40
°C to +125°C
NOTE: The "X" denotes a suffix for VCC threshold - see table below.
PIN CONFIGURATION
TCM809
VCC
2
1
3
VCC
RESET
INPUT
GND
PROCESSOR
VCC
RESET**(RESET)
GND
TCM809xENB
TCM810xENB
1
2
3
*3-Pin SOT-23B
NOTE: *3-Pin SOT-23B is equivalent to JEDEC TO-236
** () is for TCM810
Suffix
Reset VCC Threshold (V)
L
4.63
M
4.38
J
4.00
T
3.08
S
2.93
R
2.63
NOTE: J version is available for TCM809 only.
3-Pin Microprocessor Reset Monitors
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TCM809JVNB713 | 功能描述:监控电路 Microprocessor 40V RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TCM809LEB713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809LELB713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809LEN | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Microcontroller Reset Monitors |
| TCM809LENB | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:3-PIN UP RESET MONITORS |
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