參數(shù)資料
型號(hào)： TPS3813K33DBVTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6
封裝： GREEN, PLASTIC, SOT-23, 6 PIN
文件頁(yè)數(shù)： 14/18頁(yè)
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:監(jiān)控電路 Mil Enh Proc Sup Circuits 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
TPS3813K33QDBVRQ1 功能描述:監(jiān)控電路 Automotive Catalog Sup 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
TPS3813L30DBVR 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
TPS3813L30DBVRG4 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
TPS3813L30DBVT 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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