TPS3805H33

更新时间： 2024-11-19 22:18:11

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
12页	256K
描述
VOLTAGE DETECTOR

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中文翻译

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数据手册

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TPS3805H33 数据手册

TPS3803-01, TPS3803G15, TPS3805H33

VOLTAGE DETECTOR

SLVS392 – JULY 2001

features

typical applications

Single Voltage Detector (TPS3803):

Adjustable/1.5 V

Applications Using DSPs, Microcontrollers,

or Microprocessors

Dual Voltage Detector (TPS3805):

Adjustable/3.3 V

Wireless Communication Systems

Portable/Battery-Powered Equipment

Programmable Controls

High ±1.5% Threshold Voltage Accuracy

Supply Current: 3 µA Typical at V

= 3.3 V

Intelligent Instruments

Push/Pull Reset Output (TPS3805)

Open-Drain Reset Output (TPS3803)

Industrial Equipment

Notebook/Desktop Computers

Automotive Systems

Temperature Range . . . –40°C to 85°C

Five-Pin SC–70 Package

DCK PACKAGE

(TOP VIEW)

description

TPS3803-01, TPS3803G15, TPS3805

The TPS3803 and TPS3805 families of supervi-

SENSE

NC{

sory circuits provide circuit initialization and timing

supervision, primarily for DSPs and processor-

based systems.

GND

RESET

{

The TPS3803G15 device has a fixed-sense

threshold voltage V set by an internal voltage

TPS3803G15

divider, whereas the TPS3803–01 has an

adjustable SENSE input that can be configured by

two external resistors. In addition to the fixed

typical operating circuit

sense threshold monitored at V , the TPS3805

devices provide a second adjustable SENSE

input. RESET is asserted in case any of the two

1.6 V 3.3 V

voltages drops below V

IT.

RESET

During power on, RESET is asserted when supply

voltage V becomes higher than 0.8 V.

RESET

TPS3805H33

SENSE

Thereafter, the supervisory circuit monitors V

(and/or SENSE) and keeps RESET active as long

as V or SENSE remains below the threshold

TMS320VC5416

GND

voltage V . As soon as V

(SENSE) rises above

the threshold voltage V , RESET is deasserted

again. The product spectrum is designed for

1.5 V, 3.3 V, and adjustable supply voltages. The

devices are available in a five-pin SC-70 package.

The TPS3803 and TPS3805 devices are

characterized for operation over a temperature

range of –40°C to 85°C.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...12

中文翻译

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