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參數資料
| 型號： | TC1273-10ENB |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | PLASTIC, SOT-23, 3 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 477K |
| 代理商： | TC1273-10ENB |
2007 Microchip Technology Inc.
DS21382C-page 1
TC1272/TC1273/TC1274
Features
Precision VCC Monitor for 5.0V 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
Package Type
General Description
The
TC1272/TC1273/TC1274
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 TC1274 has an
active-high RESET output, while the TC1272 and
TC1273 have an active-low RESET output. The
TC1272 and TC1274 each have a complimentary out-
put, while the TC1273 has an open-drain output. The
output of the TC1272 and TC1273 is valid down to VCC
= 1.2V. The TC1274 is valid down to VCC = 1.8V. All
three devices are available in a 3-Pin SOT-23
package.
The TC1272/TC1273/TC1274 devices are optimized to
reject fast transient glitches on the VCC line.
Typical Application Circuit
VCC
RESET
**(RESET)
GND
TC1272
TC1273
TC1274
1
2
3
**( ) is for TC1274
3-Pin SOT-23
TC1272
VCC
RESET
Input
GND
Processor
1
2
3
3-Pin Reset Monitors for 5V Systems
Obsolete Device
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC1273-10ENBTR | 功能描述:監控電路 3-Pin for 5V Systems 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 |
| TC1273-15ENBTR | 功能描述:監控電路 3-Pin for 5V Systems 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 |
| TC1273-5ENBTR | 功能描述:監控電路 3-Pin for 5V Systems 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 |
| TC1274 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1274-10ENBTR | 功能描述:監控電路 3-Pin for 5V Systems 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 |
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