參數(shù)資料
型號(hào)： TPS3813I50MDBVREP
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6
封裝： 3 X 3 MM, PLASTIC, SOT-23, 6 PIN
文件頁(yè)數(shù)： 10/16頁(yè)
文件大?。?/td> 446K
代理商： TPS3813I50MDBVREP
www.ti.com
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
SGLS343A – MAY 2006 – REVISED MAY 2006
Figure 1. Timing Diagram
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.
3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS3813I50QDBVRQ1 功能描述:監(jiān)控電路 Proc Sup Circuit W/ Window Watchdog RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TPS3813I50QDBVRSV 制造商:Texas Instruments 功能描述:
TPS3813J25DBVR 功能描述:監(jiān)控電路 w/Prog Watchdog Window RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TPS3813J25DBVRG4 功能描述:監(jiān)控電路 w/Prog Watchdog Window RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TPS3813J25DBVT 功能描述:監(jiān)控電路 w/Prog Watchdog Window RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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