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參數資料
| 型號： | TPS3828-25DBVR |
| 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： | 1/10頁 |
| 文件大小： | 157K |
| 代理商： | TPS3828-25DBVR |
TPS3820-xx, TPS3823-xx, TPS3824-xx, TPS3825-xx, TPS3828-xx
PROCESSOR SUPERVISORY CIRCUITS
SLVS165D – APRIL 1998 – REVISED OCTOBER 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
D Power-On Reset Generator With Fixed
Delay Time of 200 ms (TPS3823/4/5/8)
or 25 ms (TPS3820)
D Manual Reset Input (TPS3820/3/5/8)
D Reset Output Available in Active-Low
(TPS3820/3/4/5), Active-High (TPS3824) and
Open-Drain (TPS3828)
D Supply Voltage Supervision Range
2.5 V, 3 V, 3.3 V, 5 V
D Watchdog Timer (TPS3820/3/4/8)
D Supply Current of 15 A (Typ)
D SOT23-5 Package
D Temperature Range ...–40°C to 85°C
applications
D Applications Using DSPs, Microcontrollers,
or Microprocessors
D Industrial Equipment
D Programmable Controls
D Automotive Systems
D Portable/Battery-Powered Equipment
D Intelligent Instruments
D Wireless Communications Systems
D Notebook/Desktop Computers
description
The TPS382x family of supervisors provides
circuit
initialization
and
timing
supervision,
primarily for DSP and processor-based systems.
During power-on, RESET is asserted when
supply voltage VDD becomes higher than 1.1 V.
Thereafter, the supply voltage supervisor moni-
tors VDD and keeps RESET 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, td, starts after VDD has risen above the threshold voltage VIT–. When the supply voltage drops below
the threshold voltage VIT–, the output becomes active (low) again. No external components are required. All
the devices of this family have a fixed-sense threshold voltage VIT– set by an internal voltage divider.
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.
Copyright
2000, Texas Instruments Incorporated
This document contains information on products in more than one phase
of development. The status of each device is indicated on the page(s)
specifying its electrical characteristics.
3
2
4
5
TPS3820, TPS3823, TPS3828 . . . DBV PACKAGE
(TOP VIEW)
1
RESET
GND
MR
VDD
WDI
3
2
4
5
TPS3825 . . . DBV PACKAGE
(TOP VIEW)
1
RESET
GND
RESET
VDD
MR
3
2
4
5
TPS3824 . . . DBV PACKAGE
(TOP VIEW)
1
RESET
GND
RESET
VDD
WDI
RESET
MR
WDI
100 nF
VDD
GND
TPS3823-33
VDD
RESET
I/O
GND
MSP430C325
3.3 V
typical application
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS3828-33DBVR | 功能描述:監控電路 Processor Sprvisry Circuits RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TPS3828-33DBVRG4 | 功能描述:監控電路 Processor Sprvisry Circuits RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TPS382833DBVT | 制造商:Texas Instruments 功能描述: |
| TPS3828-33DBVT | 功能描述:監控電路 2.93V Monitor RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TPS3828-33DBVT | 制造商:Texas Instruments 功能描述:SUPPLY VOLTAGE SUPERVISOR |
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