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参数资料
| 型号： | TC1277-5ENB713 |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | PLASTIC, SOT-23, 3 PIN |
| 文件页数： | 1/12页 |
| 文件大小： | 503K |
| 代理商： | TC1277-5ENB713 |
2007 Microchip Technology Inc.
DS21383C-page 1
TC1275/TC1276/TC1277
Features
Precision VCC Monitor for 3.3V Systems
100 ms Minimum RESET, RESET Output
Duration
Output Valid to VCC = 1.2V
VCC Transient Immunity
Small 3-Pin SOT-23 Package
No External Components
Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical P Power Supply Monitoring
Device Selection Table
NOTE: “x” denotes a suffix for VCC threshold (see table below).
Package Type
General Description
The
TC1275/TC1276/TC1277
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 s of VCC
falling through the reset voltage threshold. RESET is
maintained active for a minimum of 100 ms after VCC
rises above the reset threshold. The TC1277 has an
active-high RESET output while the TC1275 and
TC1276 have an active-low RESET output. TC1275
and TC1277 each have a complimentary output while
the TC1276 has an open drain output. The output of the
TC1275 and TC1276 is valid down to VCC = 1.2V. The
TC1277 is valid down to VCC = 1.8V. All three devices
are available in a 3-Pin SOT-23 package.
The TC1275/TC1276/TC1277 devices are optimized to
reject fast transient glitches on the VCC line.
Typical Operating Circuit
Part
Number
Order
Package
Temp.
Range
TC1275-xENB Complimentary
3-Pin SOT-23
-40°C to +85°C
TC1276-xENB
Open-Drain
3-Pin SOT-23
-40°C to +85°C
TC1277-xENB Complimentary
3-Pin SOT-23
-40°C to +85°C
Suffix
Reset VCC Threshold (V)
53.06
10
2.88
20
2.55
VCC
RESET
*(RESET)
GND
TC1275
TC1276
TC1277
1
2
3
*( ) is for TC1277
3-Pin SOT-23
TC1275
VCC
RESET
Input
GND
Processor
1
2
3
3-Pin Reset Monitors for 3.3V Systems
Obsolete Device
相关PDF资料 |
PDF描述 |
|---|---|
| TC1275-5ENB | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| TC1276-15ENB713 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| TC1275-10ENB713 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| TC1275-15ENB713 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| TC1277-10ENB | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1277-5ENBTR | 功能描述:监控电路 3-Pin for 3.3V Syst 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 |
| TC1277-XENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1278 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1278_07 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1278-10ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
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