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參數資料
| 型號： | TPS3705-33Y |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, UUC8 |
| 封裝： | DIE-8 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 848K |
| 代理商： | TPS3705-33Y |
TPS3705xx
TPS3707xx
PROCESSOR SUPERVISORY CIRCUITS WITH POWERFAIL
SLVS184C NOVEMBER 1998 REVISED DECEMBER 2005
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
D Power-On Reset Generator with Fixed
Delay Time of 200 ms, no External
Capacitor Needed
D Precision Supply Voltage Monitor 2.5 V, 3 V,
3.3 V, and 5 V
D Pin-For-Pin Compatible with the MAX705
through MAX708 Series
D Integrated Watchdog Timer (TPS3705 only)
D Voltage Monitor for Power-Fail or
Low-Battery Warning
D Maximum Supply Current of 50 A
D MSOP-8 and SO-8 Packages
D Temperature Range ...40°C to 85°C
typical applications
D Designs Using DSPs, Microcontrollers or
Microprocessors
D Industrial Equipment
D Programmable Controls
D Automotive Systems
D Portable/Battery Powered Equipment
D Intelligent Instruments
D Wireless Communication Systems
D Notebook/Desktop Computers
Figure 1. Typical MSP430 Application
MR
RESET
TPS370550
PFI
VDD
GND
100 nF
RESET/NMI
VDD
GND
5 V
12 V
910 k
120 k
MSP430P112
PFO
WDI
WDO
I/O
Copyright
19992005, 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.
1
2
3
4
8
7
6
5
MR
VDD
GND
PFI
WDO
RESET
WDI
PFO
TPS3705 ...D PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
RESET
NC
PFO
TPS3707 ...D PACKAGE
(TOP VIEW)
NC No internal connection
MR
VDD
GND
PFI
1
2
3
4
8
7
6
5
RESET
WDO
MR
VDD
WDI
PFO
PFI
GND
TPS3705 . . . DGN PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
NC
PFO
PFI
GND
TPS3707 . . . DGN PACKAGE
(TOP VIEW)
NC No internal connection
RESET
MR
VDD
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS3705-50D | 功能描述:監控電路 4.55V 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 |
| TPS3705-50DG4 | 功能描述:監控電路 Processor with Power-Fail 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 |
| TPS3705-50DGN | 功能描述:監控電路 Processor with Power-Fail 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 |
| TPS3705-50DGNG4 | 功能描述:監控電路 Processor with Power-Fail 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 |
| TPS3705-50DGNR | 功能描述:監控電路 4.55V 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 |
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