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參數(shù)資料
| 型號： | TPS3838J25QDBVRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | PLASTIC, SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 318K |
| 代理商： | TPS3838J25QDBVRQ1 |
TPS3836E18-Q1 / J25-Q1 / H30-Q1 / L30-Q1 / K33-Q1
TPS3837E18-Q1 / J25-Q1 / L30-Q1 / K33-Q1, TPS3838E18-Q1 / J25-Q1 / L30-Q1 / K33-Q1
NANOPOWER SUPERVISORY CIRCUITS
SGLS141A DECEMBER 2002 REVISED JANUARY 2007
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Qualified for Automotive Applications
D Customer-Specific Configuration Control
Can Be Supported Along With
Major-Change Approval
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Supply Current of 220 nA (Typ)
D Precision Supply Voltage Supervision
Range: 1.8 V, 2.5 V, 3.0 V, 3.3 V
D Power-On Reset Generator With Selectable
Delay Time of 10 ms or 200 ms
D Push/Pull RESET Output (TPS3836),
RESET Output (TPS3837), or
Open-Drain RESET Output (TPS3838)
D Manual Reset
D 5-Pin SOT-23 Package
D Temperature Range: 40°C to 125°C
D Applications Include
Applications Using Automotive
Low-Power DSPs, Microcontrollers, or
Microprocessors
Battery-Powered Equipment
Intelligent Instruments
Wireless Communication Systems
Automotive Systems
description
The TPS3836, TPS3837, TPS3838 families of
supervisory circuits provide circuit initialization
and timing supervision, primarily for DSP and
processor-based systems.
During power on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the
supervisory circuit monitors VDD and keeps RESET output active as long as VDD remains below the threshold
voltage VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system
reset. The delay time starts after VDD has risen above the threshold voltage VIT.
When CT is connected to GND a fixed delay time of typical 10 ms is asserted. When connected to VDD the delay
time is typically 200 ms.
When the supply voltage drops below the threshold voltage VIT, the output becomes active (low) again.
All the devices of this family have a fixed-sense threshold voltage VIT set by an internal voltage divider.
The TPS3836 has an active-low push-pull RESET output. The TPS3837 has active-high push-pull RESET, and
TPS3838 integrates an active-low open-drain RESET output.
Copyright
2007, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
3
2
4
5
(TOP VIEW)
1
CT
GND
MR
VDD
RESET
TPS3836, TPS3838
DBV PACKAGE
3
2
4
5
(TOP VIEW)
1
CT
GND
MR
VDD
RESET
TPS3837
DBV PACKAGE
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| TPS3836K33MDBVREP | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| TPS3836E18QDBVREP | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| TPS3836K33QDBVREP | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS3838K33DB4 | 制造商:Texas Instruments 功能描述: |
| TPS3838K33DBVR | 功能描述:監(jiān)控電路 220nA w/ 10ms/200ms Select delay time 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 |
| TPS3838K33DBVRG4 | 功能描述:監(jiān)控電路 220nA w/ 10ms/200ms Select delay time 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 |
| TPS3838K33DBVT | 功能描述:監(jiān)控電路 220nA w/ 10ms/200ms Select delay time 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 |
| TPS3838K33DBVTG4 | 功能描述:監(jiān)控電路 220nA w/ 10ms/200ms Select delay time 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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