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| 型号： | TC1276-15ENB |
| 厂商： | Microchip Technology Inc. |
| 英文描述： | 3-Pin Reset Monitors for 3.3V Systems |
| 中文描述： | 3引脚复位监控器为3.3V系统 |
| 文件页数： | 4/12页 |
| 文件大小： | 456K |
| 代理商： | TC1276-15ENB |
TC1275/TC1276/TC1277
DS21383C-page 4
2007 Microchip Technology Inc.
3.0
APPLICATIONS INFORMATION
3.1
Operation – Power Monitor
The TC1275/TC1276/TC1277 provide the function
of detecting out-of-tolerance power supply conditions
and warning a processor-based system of impending
power failure. When V
CC
is detected as out-of-
tolerance, the RESET signal is asserted. On power-up,
RESET is kept active for approximately 200 ms after
the power supply has reached the selected tolerance.
This allows the power supply and microprocessor to
stabilize before RESET is released.
FIGURE 3-1:
(TC1275/TC1276).
Timing Diagram – Power Up
FIGURE 3-2:
Down (TC1275/TC1276).
Timing Diagram – Power
FIGURE 3-3:
Power Up (TC1277).
Timing Diagram –
FIGURE 3-4:
Power Down (TC1277).
Timing Diagram –
V
CCTP
(MAX)
V
CCTP
V
CCTP
(MIN)
t
R
V
CC
RESET
t
RPU
1
V
OH
V
CC
RESET
V
CCTP
(MAX)
V
CCTP
V
CCTP
(MIN)
V
OL
t
RPD1
t
F
t
R
t
RPU2
V
OL
V
CCTP
V
CC
RESET
V
CCTP
(MAX)
V
CCTP
(MIN)
t
F
t
RPD2
V
CC
V
CCTP
(MAX)
V
OH
RESET
V
CCTP
V
CCTP
(MIN)
RESET SLEWS WITH V
CC
相关PDF资料 |
PDF描述 |
|---|---|
| TC1276-5ENB | 3-Pin Reset Monitors for 3.3V Systems |
| TC1277-10ENB | 3-Pin Reset Monitors for 3.3V Systems |
| TC1277-5ENB | 3-Pin Reset Monitors for 3.3V Systems |
| TC1278-10ENBTR | 3-Pin Reset Monitors for 5V Systems |
| TC1278-15ENBTR | 3-Pin Reset Monitors for 5V Systems |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1276-20ENBTR | 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 |
| TC1276-5ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1276-5ENBTR | 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 |
| TC1276-XENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
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