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參數資料
| 型號： | TC1276-20ENBTR |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23B, 3 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 466K |
| 代理商： | TC1276-20ENBTR |
2002 Microchip Technology Inc.
DS21383B-page 1
TC1275/TC1276/TC1277
Features
Precision VCC Monitor for 3.3V Systems
100msec Minimum RESET, RESET Output
Duration
Output Valid to VCC =1.2V
VCC Transient Immunity
Small 3-Pin SOT-23B 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
sec of VCC
falling through the reset voltage threshold. RESET is
maintained active for a minimum of 100msec 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-23B 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-23B
-40°C to +85°C
TC1276-xENB
Open Drain
3-Pin SOT-23B
-40°C to +85°C
TC1277-xENB
Complimentary
3-Pin SOT-23B
-40°C to +85°C
Suffix
Reset VCC Threshold (V)
53.06
10
2.88
20
2.55
VCC
RESET
*(RESET)
GND
TC1275-xENB
TC1276-xENB
TC1277-xENB
1
2
3
NOTE: 3-Pin SOT-23B is equivalent to JEDEC TO-236
*( ) is for TC1277
3-Pin SOT-23B
TC1275
VCC
RESET
Input
GND
Processor
1
2
3
3-Pin Reset Monitors for 3.3V Systems
相關PDF資料 |
PDF描述 |
|---|---|
| TC1277-5ENB713 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC1276-5ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1276-5ENBTR | 功能描述:監控電路 3-Pin for 3.3V Syst 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 |
| TC1276-XENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277-10ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
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