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TPS3705-50DGN Datasheet

  • TPS3705-50DGN

  • PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

  • 262.28KB

  • 16頁

  • TI

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TPS3705-30, TPS3705-33, TPS3705-50
TPS3707-25, TPS3707-30, TPS3707-33, TPS3707-50
PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL
SLVS184B 鈥?NOVEMBER 1998 鈥?REVISED JANUARY 1999
features
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
12 V
TPS3705 . . . D PACKAGE
(TOP VIEW)
Power-On Reset Generator with Fixed
Delay Time of 200 ms, no External
Capacitor Needed
Precision Supply Voltage Monitor 2.5 V, 3 V,
3.3 V, and 5 V
Pin-For-Pin Compatible with the MAX705
through MAX708 Series
Integrated Watchdog Timer (TPS3705 only)
Voltage Monitor for Power-Fail or
Low-Battery Warning
Maximum Supply Current of 50
碌A(chǔ)
MSOP-8 and SO-8 Packages
Temperature Range . . . 鈥?0擄C to 85擄C
MR
V
DD
GND
PFI
1
2
3
4
8
7
6
5
WDO
RESET
WDI
PFO
TPS3707 . . . D PACKAGE
(TOP VIEW)
MR
V
DD
GND
PFI
1
2
3
4
8
7
6
5
RESET
RESET
NC
PFO
NC 鈥?No internal connection
TPS3705 . . . DGN PACKAGE
(TOP VIEW)
typical applications
Designs Using DSPs, Microcontrollers or
Microprocessors
Industrial Equipment
Programmable Controls
Automotive Systems
Portable/Battery Powered Equipment
Intelligent Instruments
Wireless Communication Systems
Notebook/Desktop Computers
5V
RESET
WDO
MR
V
DD
1
2
3
4
8
7
6
5
WDI
PFO
PFI
GND
TPS3707 . . . DGN PACKAGE
(TOP VIEW)
RESET
RESET
MR
V
DD
1
2
3
4
8
7
6
5
NC
PFO
PFI
GND
NC 鈥?No internal connection
VDD
VDD
100 nF
MSP430P112
RESET/NMI
I/O
I/O
GND
PFO
TPS3705鈥?0
MR
910 k鈩?/div>
PFI
WDI
120 k鈩?/div>
GND
RESET
WDO
Figure 1. Typical MSP430 Application
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.
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.
Copyright
漏
1999, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPS3705-50DGN 產(chǎn)品屬性

  • 80

  • 集成電路 (IC)

  • PMIC - 監(jiān)控器

  • -

  • 簡單復(fù)位/加電復(fù)位

  • 1

  • 推挽式，圖騰柱

  • 低有效

  • 最小為 140 ms

  • 4.55V

  • -40°C ~ 85°C

  • 表面貼裝

  • 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤

  • 8-MSOP-PowerPad

  • 管件

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