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TCM812SERCTR PDF预览

TCM812SERCTR

更新时间： 2024-11-25 20:51:47
品牌 Logo 应用领域
美国微芯 - MICROCHIP 光电二极管
页数 文件大小 规格书
16页 421K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, SOT-143, 4 PIN

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中文翻译

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TCM812SERCTR 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOT-143包装说明：LSOP, TO-253
针数：4Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.23Base Number Matches：1

TCM812SERCTR 数据手册

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TCM811/TCM812  
4-Pin Reset Monitors  
Features  
General Description  
• Precision VDD Monitor for 2.0V, 2.8V, 3.0V, 3.3V,  
5.0V Nominal Supplies  
The TCM811 and TCM812 are cost effective system  
supervisory circuits designed to monitor VDD in digital  
systems and provide a reset signal to the host  
controller when necessary. A manual reset input is  
provided to override the reset monitor and is suitable  
• Manual Reset Input  
• 140 ms Minimum RESET Output Duration  
• RESET Output Valid to VDD = 1.0V (TCM811)  
• Low 6 µA (typ.) Supply Current  
• VDD Transient Immunity  
for use as  
a
push-button reset. No external  
components are required.  
The reset output is driven active within 20 µs (5 µs for  
F version) of VDD falling through the reset voltage  
threshold. RESET is maintained active for a minimum  
of 140 ms after VDD rises above the reset threshold.  
The TCM812 has an active high RESET output while  
the TCM811 has an active low RESET output. The  
output of the TCM811 is valid down to VDD = 1V. Both  
devices are available in a 4-Pin SOT-143 package,  
specified with a temperature range of -40°C to +85°C.  
• Small 4-Pin SOT-143 Package  
• No External Components  
• Replacement for MAX811/812 and Offers a Lower  
Threshold Voltage Option  
• Push-Pull RESET Output  
• Temperature Range:  
- Commercial (C) -40°C to +85°C  
The TCM811/TCM812 are optimized to reject fast  
transient glitches on the VDD line. A low supply current  
of 6 µA (VDD = 3.3V) makes these devices ideal for  
battery powered applications.  
Applications  
• Computers  
• Embedded Systems  
• Battery Powered Equipment  
• Critical Microcontroller Power Supply Monitoring  
Package Types:  
SOT-143  
Typical Application Circuit  
VDD  
VDD  
4
3
GND  
1
2
VDD  
4
VDD  
0.1µF  
PIC  
Microcontroller  
TCM811  
3
TCM811 RESET  
TCM812 (RESET)  
MR  
2
MR  
RESET  
RESET  
PUSH  
BUTTON  
INPUT  
(Active Low)  
GND  
GND  
© 2007 Microchip Technology Inc.  
DS21615C-page 1  
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