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| 型号： | TPS3813K33DBVTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6 |
| 封装： | GREEN, PLASTIC, SOT-23, 6 PIN |
| 文件页数： | 14/18页 |
| 文件大小： | 536K |
| 代理商： | TPS3813K33DBVTG4 |
RESET
WDT
_
+
Rising Edge
Detection
Watchdog
Ratio
Detection
Reset Logic
and Timer
Bandgap
Voltage
Reference
Oscillator
Detection
Circuit
WDI
WDR
GND
VDD
Power to circuitry
GND
R2
R1
GND
VDD
td
VIT
0.6 V
RESET
Output Condition
Undefined
WDI
1st Window
Without Lower
Boundary
2nd Window
With Lower
Boundary
3rd Window
With Lower
Boundary
Trigger Pulse
Lower Window
Boundary
1st Window
Without Lower
Boundary
1st Window
Without Lower
Boundary
2nd Window
With Lower
Boundary
3rd Window
With Lower
Boundary
t
Output Condition
Undefined
www.ti.com
SLVS331E – DECEMBER 2000 – REVISED OCTOBER 2010
The lower boundary of the watchdog window starts with the rising edge of the WDI trigger pulse. At the same
time, all internal timers will be reset. If an external capacitor is used, the lower boundary is impacted due to the
different oscillator frequency. This is described in more detail in the following section. The timing diagram and
especially the shaded boundary is prepared in a nonreal ratio scale to better visualize the description.
Copyright 2000–2010, Texas Instruments Incorporated
5
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| TPS3813K33MDBVREP | 功能描述:监控电路 Mil Enh Proc Sup Circuits 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 |
| TPS3813K33QDBVRQ1 | 功能描述:监控电路 Automotive Catalog Sup 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 |
| TPS3813L30DBVR | 功能描述:监控电路 w/Prog Watchdog Window 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 |
| TPS3813L30DBVRG4 | 功能描述:监控电路 w/Prog Watchdog Window 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 |
| TPS3813L30DBVT | 功能描述:监控电路 w/Prog Watchdog Window 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 |
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