TPS3617-50

更新时间： 2024-10-15 03:57:31

品牌	Logo	应用领域
德州仪器 - TI		电池
页数	文件大小	规格书
16页	283K
描述
BATTERY-BACKUP- SUPERVISOR

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中文翻译

获取价格

数据手册
替代型号

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TPS3617-50 数据手册

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SLVS339B – DECEMBER 2000 – REVISED DECEMBER 2002

Supply Current of 40 µA (Max)

typical applications

Battery Supply Current of 100 nA (Max)

Fax Machines

Precision 5-V Supply Voltage Monitor,

Other Voltage Options on Request

Set-Top Boxes

Advanced Voice Mail Systems

Portable Battery Powered Equipment

Computer Equipment

Backup-Battery Voltage Can Exceed V

Watchdog Timer With 800-ms Time-Out

Power-On Reset Generator With Fixed

100-ms Reset Delay Time

Advanced Modems

Automotive Systems

Voltage Monitor for Power-Fail or

Low-Battery Monitoring

Portable Long-Time Monitoring Equipment

Point of Sale Equipment

Battery Freshness Seal

8-Pin MSOP Package

MSOP (DGK) Package

(TOP VIEW)

Temperature Range . . . –40°C to 85°C

BAT

RESET

OUT

description

ACTUAL SIZE

GND

WDI

3,05 mm x 4,98 mm

The TPS3617-50 supervisory circuit monitors and

PFI

PFO

controls processor activity by providing backup-

battery switchover for data retention of CMOS

RAM.

During power on, RESET is asserted when the supply voltage (V

or V

) becomes higher than 1.1 V.

BAT

Thereafter, the supply voltage supervisor monitors V

and keeps RESET output active as long as V

remains

below the threshold voltage (V ). An internal timer delays the return of the output to the inactive state (high)

to ensure proper system reset. The delay time starts after V

has risen above the threshold voltage (V ).

typical operating circuit

Power

Supply

0.1 µF

External

Source

Backup

Battery

BAT

TPS3617

PFI

RESET

I/O

RESET

WDI

I/O

PFO

Switchover

Capacitor

OUT

0.1 µF

GND

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.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...16

中文翻译

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TPS3617-50 替代型号

型号	品牌	替代类型	描述	数据表
TPS3600	TI	功能相似	适用于低功耗处理器的电池备份监控器
TPS3618-50	TI	功能相似	适用于 RAM 保持模式的 5V 电池备份监控器
TPS3606-33	TI	功能相似	BATTERY-BACKUP SUPERVISOR FOR LOW-POWER PROCESSORS

与TPS3617-50相关器件

型号	品牌	获取价格	描述	数据表
TPS3617-50DGK	TI	获取价格	BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3617-50DGKR	TI	获取价格	BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3617-50DGKT	TI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, PLASTIC, MSOP-10
TPS3618	TI	获取价格	BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3618-50	TI	获取价格	适用于 RAM 保持模式的 5V 电池备份监控器
TPS3618-50DGKR	TI	获取价格	BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3618-50DGKRG4	TI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, 3.05 X 4.98 MM, GREEN, PLASTIC, MSOP-8
TPS3618-50DGKT	TI	获取价格	BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION
TPS3618-50DGKTG4	TI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, 3.05 X 4.98 MM, GREEN, PLASTIC, MSOP-8
TPS3619	TI	获取价格	适用于 RAM 保持模式的电池备份监控器

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