TPS3813L30

更新时间： 2024-11-07 02:59:39

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
16页	386K
描述
PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG

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数据手册

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TPS3813L30 数据手册

TPS3813J25, TPS3813L30

TPS3813K33, TPS3813I50

www.ti.com

SLVS331B–DECEMBER 2000–REVISED JUNE 2005

PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG

FEATURES

TPS3813

DBV PACKAGE

(TOP VIEW)

•

Window-Watchdog With Programmable Delay

and Window Ratio

•

6-Pin SOT-23 Package

Supply Current of 9 µA (Typ)

RESET

WDR

WDI

GND

Power On Reset Generator With a Fixed Delay

Time of 25 ms

WDT

•

Precision Supply Voltage Monitor 2.5 V, 3 V,

3.3 V, 5 V

•

Open-Drain Reset Output

ACTUAL SIZE

3,00 mm x 3,00 mm

Temperature Range –40°C to 85°C

APPLICATIONS

•

Applications Using DSPs, Microcontrollers, or

Microprocessors

•

Safety Critical Systems

Automotive Systems

Healing Systems

DESCRIPTION

The TPS3813 family of supervisory circuits provides circuit initialization and timing supervision, primarily for

DSPs and processor-based systems.

During power on, RESET is asserted when supply voltage (V_DD) becomes higher than 1.1 V. Thereafter, the

supervisory circuit monitors V_DDand keeps RESET active as long as V_DDremains below the threshold voltage

(V_IT). An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset.

The delay time, t_d= 25 ms typical, starts after V_DDhas risen above the threshold voltage (V_IT). When the supply

voltage drops below the threshold voltage (V_IT), the output becomes active (low) again. No external components

are required. All the devices of this family have a fixed-sense threshold voltage (V_IT) set by an internal voltage

divider.

TYPICAL OPERATING CIRCUIT

0.1 µF

WDR RESET

TPS3813

RESET

WDT

WDI

I/O

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...16

中文翻译

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与TPS3813L30相关器件

型号	品牌	获取价格	描述	数据表
TPS3813L30DBV	TI	获取价格	PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813L30DBVR	TI	获取价格	PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813L30DBVRG4	TI	获取价格	PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813L30DBVT	TI	获取价格	PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813L30DBVTG4	TI	获取价格	PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813L30MDBVREP	TI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6, 3 X 3 MM, PLASTIC, SOT-23, 6 PIN
TPS3813-Q1	TI	获取价格	具有可编程窗口看门狗的汽车电压监控器（复位 IC）
TPS3818	TI	获取价格	Low Quiescent Current, Accurate Programmable-Delay Supervisory Circuit
TPS3818G01	TI	获取价格	Low Quiescent Current, Accurate Programmable-Delay Supervisory Circuit
TPS3818G09	TI	获取价格	Low Quiescent Current, Accurate Programmable-Delay Supervisory Circuit

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