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參數資料
| 型號： | TC1274-15ENBTR |
| 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： | 1/6頁 |
| 文件大小： | 60K |
| 代理商： | TC1274-15ENBTR |
TC1272
TC1273
TC1274
TC1272/3/4-1 9/9/99 TelCom reserves the right to make changes in the circuitry and specifications of its devices.
3-PIN RESET MONITORS FOR 5V SYSTEMS
FEATURES
s
Precision VCC Monitor for 5.0V Systems
System Supplies
s
100 msec Guaranteed Minimum RESET, RESET
Output Duration
s
Output Guaranteed to VCC = 1.2V
s
VCC Transient Immunity
s
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 TC1272, TC1273 and 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
sec of VCC
falling through the reset voltage threshold. Reset is main-
tained active for a minimum of 100msec 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 output while the TC1273 has an open
drain output. The output of the TC1272 and TC1273 is
guaranteed valid down to VCC = 1.2V. The TC1274 is
guaranteed valid down to VCC =1.8 V. All three devices are
available in a 3-Pin SOT-23B package.
The TC1272/3/4 are optimized to reject fast transient
glitches on the VCC line.
TYPICAL OPERATING CIRCUIT
ORDERING INFORMATION
Part No.
Order
Package
Temp. Range
TC1272-xENB
Complimentary
3-Pin SOT-23B – 40
°C to +85°C
TC1273-xENB
Open Drain
3-Pin SOT-23B – 40
°C to +85°C
TC1274-xENB
Complimentary
3-Pin SOT-23B – 40
°C to +85°C
NOTE: The "x" denotes a suffix for VCC threshold - see table below.
PIN CONFIGURATION
Suffix
Reset VCC Threshold (V)
5
4.62
10
4.37
15
4.12
TC1272
VCC
2
1
3
VCC
RESET
INPUT
GND
PROCESSOR
VCC
RESET **(RESET)
GND
TC1272-xENB
TC1273-xENB
TC1274-xENB
1
2
3
*3-Pin SOT-23B
NOTES: *3-Pin SOT-23B is equivalent to JEDEC TO-236
** () is for TC1274
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC1274-5ENBTR | 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 |
| TC1275 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1275_07 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1275-10ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1275-10ENBTR | 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 |
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