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參數資料
| 型號： | TC1279 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 3-Pin Reset Monitors for 5V Systems |
| 中文描述： | 3引腳復位監控器的5V系統 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 424K |
| 代理商： | TC1279 |
2002 Microchip Technology Inc.
DS21384B-page 1
TC1278/TC1279
3-Pin Reset Monitors for 5V Systems
Features
Precision V
CC
Monitor for 5.0V System Supplies
250msec Minimum RESET Output Duration
Output Valid to V
CC
= 1.2V
V
CC
Transient Immunity
Small 3-Pin SOT-23B Package
No External Components
Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical
μ
P Power Supply Monitoring
Device Selection Table
NOTE:
“x” denotes a suffix for V
CC
threshold (see table below).
Package Type
General Description
The TC1278/TC1279 are cost-effective system super-
visor circuits designed to monitor V
CC
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 5
μ
sec of V
CC
falling through the reset voltage threshold. RESET is
maintained active for a minimum of 250msec after V
CC
rises above the reset threshold. The TC1278 has an
active-high RESET output while the TC1279 has an
active-low RESET output, and both devices have an
open drain output stage. The output is valid down to
V
CC
= 1.2V. Both devices are available in a 3-Pin SOT-
23B package.
Typical Operating Circuit
Part
Number
Order
Package
Temp.
Range
TC1278-xENB
Open Drain
3-Pin SOT-23B
-40°C to +85°C
TC1279-xENB
Open Drain
3-Pin SOT-23B
-40°C to +85°C
Suffix
Reset V
CC
Threshold (V)
4.625
4.375
4.125
5
10
15
V
CC
RESET
GND
TC1278-xENB
TC1279-xENB
1
2
3
NOTE:
3-Pin SOT-23B is equivalent to JEDEC TO-236
3-Pin SOT-23B
TC1279
V
CC
V
CC
V
CC
RESET
RESET
Input
GND
GND
Processor
1
2
3
相關PDF資料 |
PDF描述 |
|---|---|
| TC1279-15ENB | 3-Pin Reset Monitors for 5V Systems |
| TC1279-5ENB | 3-Pin Reset Monitors for 5V Systems |
| TC1301B-UWAVUATR | Dual LDO with Microcontroller RESET Function |
| TC1301B-FDAVMFTR | Dual LDO with Microcontroller RESET Function |
| TC1301B-FDAVUA | Dual LDO with Microcontroller RESET Function |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC1279-10ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1279-10ENBTR | 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 |
| TC1279-15ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1279-15ENBTR | 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 |
| TC1279-5ENB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
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