TPS3802

更新时间： 2024-11-25 11:07:55

品牌	Logo	应用领域
德州仪器 - TI		监控电源管理电路电源电路
页数	文件大小	规格书
11页	217K
描述
具有手动复位功能的 400ms 延迟、小型电源电压监控器

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中文翻译

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数据手册
替代型号

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TPS3802 数据手册

TPS3800-xx

TPS3801-xx

TPS3802-xx

www.ti.com

SLVS219C–AUGUST 1999–REVISED JULY 2003

ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS

FEATURES

DESCRIPTION

•

Small, 5-Pin SC-70 (SOT-323) Package

The TPS380x family of supervisory circuits monitor

supply voltages to provide circuit initialization and

timing supervision, primarily for DSPs and other pro-

cessor-based systems.

Supply Current of 9 µA

Power-On Reset Generator With Fixed Delay

Time

These devices assert a push-pull RESET signal when

the SENSE (adjustable version) or V_DD(fixed version)

drops below a preset threshold. The RESET output

remains asserted for the factory programmed delay

time after the SENSE or V_DDreturn above its threshold.

– TPS3800 = 100 ms

– TPS3801 = 200 ms

– TPS3802 = 400 ms

•

Precision Supply Voltage Monitor 1.8 V, 2.5 V,

2.7 V, 3 V, 3.3 V, 5 V, and Adjustable

The TPS380x devices, except the TPS3801-01, incor-

porate a manual reset input (MR). A low level at MR

causes RESET to become active.

•

Manual Reset Input (Except TPS3801-01)

Temperature Range: -40°C to 85°C

The TPS380x uses a precision reference to achieve an

overall threshold accuracy of 2% - 2.5%. These devices

are available in a 5-pin SC-70 package, which is only

about half the size of a 5-pin SOT-23 package.

APPLICATIONS

•

Applications Using DSPs, Microcontrollers, or

Microprocessors

The TPS380x devices are fully specified over a tem-

perature range of -40°C to 85°C.

•

Wireless Communication Systems

Portable/Battery-Powered Equipment

Programmable Controls

Intelligent Instruments

Industrial Equipment

Notebook/Desktop Computers

Automotive Systems

TPS380x . . . DCK PACKAGE

typical applications

(TOP VIEW)

= 1.8 V

GND

CoreV

100 nF

TMS320VC5420

RESET

TPS3801E18

MR RESET

RESET

GND

TPS3801−01. . . DCK PACKAGE

(TOP VIEW)

GND

SENSE

GND

RESET

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 in-

cludetestingofallparameters.

12 3 4 5 6 7...11

中文翻译

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TPS3802 替代型号

型号	品牌	替代类型	描述	数据表
TPS3801	TI	功能相似	具有手动复位功能的 200ms 延迟、小型电源电压监控器
TPS3800G27	TI	功能相似	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS

与TPS3802相关器件

型号	品牌	获取价格	描述	数据表
TPS3802K33	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802K33DCK	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802K33DCKR	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802K33DCKRG4	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802L30	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802L30DCK	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802L30DCKR	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802L30DCKRG4	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3802-XX	TI	获取价格	ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
TPS3803	TI	获取价格	VOLTAGE DETECTOR

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