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參數(shù)資料
| 型號： | TPS3123G15DBVT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| 中文描述： | 超低電壓處理器監(jiān)控電路 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 229K |
| 代理商： | TPS3123G15DBVT |
TPS3123J12, TPS3123G15, TPS3123J18, TPS3124J12, TPS3124G15
TPS3124J18, TPS3125J12, TPS3125G15, TPS3125J18, TPS3125L30
ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
SLVS227 – AUGUST 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
When the supply voltage drops below the threshold voltage V
IT
, the output becomes active (low) again. No
external components are required. All the devices of this family have a fixed-sense threshold voltage V
IT
set
by an internal voltage divider.
The TPS3123-xx and TPS3125-xx devices incorporate a manual reset input, MR
.
A low level at MR causes
RESET
to become active. The TPS3124-xx devices do not have the input MR, but include a high-level output
RESET same as the TPS3125-xx devices. In addition the TPS3123-xx and TPS3124-xx have a watchdog timer
that need to be triggered periodically by a positive or negative transition at WDI. When the supervising system
fails to retrigger the watchdog circuit within the time-out interval t
tout
= 0.8 s, RESET output becomes active for
the time period t
d
. This event also reinitializes the watchdog timer.
The circuits are available in a 5-pin SOT23-5 package. The TPS3123, TPS3124, TPS3125 devices are
characterized for operation over a temperature range of –40
°
C to 85
°
C.
PACKAGE INFORMATION STANDARD VERSIONS
TA
DEVICE NAME
THRESHOLD VOLTAGE
1.08 V
MARKING
PBNI
TPS3123J12DBVR
TPS3123G15DBVR
TPS3123J18DBVR
TPS3124J12DBVR
TPS3124G15DBVR
TPS3124J18DBVR
TPS3125J12DBVR
TPS3125G15DBVR
TPS3125J18DBVR
TPS3125L30DBVR
TPS3123J12DBVT
TPS3123G15DBVT
TPS3123J18DBVT
TPS3124J12DBVT
TPS3124G15DBVT
TPS3124J18DBVT
TPS3125J12DBVT
TPS3125G15DBVT
TPS3125J18DBVT
TPS3125L30DBVT
1.40 V
PBOI
1.62 V
PBPI
1.08 V
PBQI
–40
°
C to 85 C
1.40 V
PBRI
1.62 V
PBSI
1.08 V
PBTI
1.40 V
PBUI
1.62 V
PBVI
2.64 V
PBXI
The DBVR passive indicates tape and reel of 3000 parts.
The DBVT passive indicates tape and reel of 250 parts.
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| TPS3124J12DBV | CRYSTAL, 12.000 MHZ, HC49U SERIES, MICROPROCESSOR |
| TPS3125G15DBV | ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| TPS3125L30DBV | ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| TPS3123-XX | ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| TPS3123J18DBV | CAP .056UF 50V PPS FILM ECH-S |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS3123G15DBVTG4 | 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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 |
| TPS3123J12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| TPS3123J12DBV | 制造商:TI 制造商全稱:Texas Instruments 功能描述:ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| TPS3123J12DBVR | 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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 |
| TPS3123J12DBVRG4 | 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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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