TL7702A

更新时间： 2024-11-21 22:42:11

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
10页	143K
描述
SUPPLY-VOLTAGE SUPERVISORS

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数据手册
替代型号

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TL7702A 数据手册

TL7702A, TL7705A, TL7709A, TL7712A, TL7715A

SUPPLY-VOLTAGE SUPERVISORS

SLVS028E – APRIL 1983 – REVISED JULY 1999

D OR P PACKAGE

(TOP VIEW)

Power-On Reset Generator

Automatic Reset Generation After Voltage

Drop

REF

RESIN

Wide Supply-Voltage Range

Precision Voltage Sensor

SENSE

RESET

GND

Temperature-Compensated Voltage

Reference

True and Complement Reset Outputs

Externally Adjustable Pulse Duration

description

The TL77xxA family of integrated-circuit supply-voltage supervisors is specifically designed for use as reset

controllers in microcomputer and microprocessor systems. The supply-voltage supervisor monitors the supply

for undervoltage conditions at the SENSE input. During power up, the RESET output becomes active (low)

when V attains a value approaching 3.6 V. At this point (assuming that SENSE is above V ), the delay timer

IT+

function activates a time delay, after which outputs RESET and RESET go inactive (high and low, respectively).

When an undervoltage condition occurs during normal operation, outputs RESET and RESET go active. To

ensure that a complete reset occurs, the reset outputs remain active for a time delay after the voltage at the

SENSE input exceeds the positive-going threshold value. The time delay is determined by the value of the

external capacitor C : t = 1.3 × 10 × C , where C is in farads (F) and t is in seconds (s).

T d

During power down (assuming that SENSE is below V ), the outputs remain active until the V

IT–

a maximum of 2 V. After this, the outputs are undefined.

falls below

An external capacitor (typically 0.1 µF for the TL77xxAC and TL77xxAI) must be connected to REF to reduce

the influence of fast transients in the supply voltage.

The TL77xxAC series is characterized for operation from 0°C to 70°C. The TL77xxAI series is characterized

for operation from –40°C to 85°C.

AVAILABLE OPTIONS

PACKAGED DEVICES

CHIP

SMALL

OUTLINE

(D)

PLASTIC

DIP

FORM

(Y)

(P)

TL7702ACD

TL7705ACD

TL7709ACD

TL7712ACD

TL7715ACD

TL7702ACP

TL7705ACP

TL7709ACP

TL7712ACP

TL7715ACP

TL7702ACY

TL7705ACY

TL7709ACY

TL7712ACY

TL7715ACY

0°C to 70°C

TL7702AID

TL7705AID

TL7709AID

TL7712AID

TL7715AID

TL7702AIP

TL7705AIP

TL7709AIP

TL7712AIP

TL7715AIP

—

–40°C to 85°C

The D package is available taped and reeled. Add the suffix R to the

device type (e.g., TL7702ACDR). Chip forms are tested at 25°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...10

中文翻译

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TL7702A 替代型号

型号	品牌	替代类型	描述	数据表
TL7712A	TI	功能相似	SUPPLY-VOLTAGE SUPERVISORS
TL7705A	TI	功能相似	SUPPLY-VOLTAGE SUPERVISORS
TL7709A	TI	功能相似	SUPPLY-VOLTAGE SUPERVISORS

与TL7702A相关器件

型号	品牌	获取价格	描述	数据表
TL7702A_03	TI	获取价格	SUPPLY-VOLTAGE SUPERVISORS
TL7702A_10	TI	获取价格	SUPPLY-VOLTAGE SUPERVISORS
TL7702ACD	TI	获取价格	SUPPLY-VOLTAGE SUPERVISORS
TL7702ACD	STMICROELECTRONICS	获取价格	SUPPLY VOLTAGE SUPERVISORS
TL7702ACD1	TI	获取价格	IC,VOLT DETECTOR,FIXED,+2.53V,BIPOLAR,SOP,8PIN,PLASTIC
TL7702ACD1	STMICROELECTRONICS	获取价格	IC,VOLT DETECTOR,FIXED,+2.53V,BIPOLAR,SOP,8PIN,PLASTIC
TL7702ACD1013TRA	STMICROELECTRONICS	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, SOP-8
TL7702ACD3	TI	获取价格	IC,VOLT DETECTOR,FIXED,+2.53V,BIPOLAR,SOP,8PIN,PLASTIC
TL7702ACDE4	TI	获取价格	SUPPLY-VOLTAGE SUPERVISORS
TL7702ACDG4	TI	获取价格	SUPPLY-VOLTAGE SUPERVISORS

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