TL77XXACP

更新时间： 2024-02-14 16:00:42

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电源电路电源管理电路监控
页数	文件大小	规格书
7页	69K
描述
SUPPLY VOLTAGE SUPERVISORS

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技术参数
数据手册

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TL77XXACP 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.68
Is Samacsys：	N	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
Base Number Matches：	1

TL77XXACP 数据手册

TL7700 A Series

SUPPLY VOLTAGE SUPERVISORS

POWER-ON RESET GENERATOR

AUTOMATIC RESET GENERATION AFTER

VOLTAGEDROP

WIDE SUPPLY VOLTAGE RANGE ... 3V TO

18V

PRECISION VOLTAGE SENSOR

TEMPERATURE-COMPENSATED VOLTAGE

REFERENCE

TRUE AND COMPLEMENT RESET OUTPUTS

EXTERNALLY ADJUSTABLE PULSE WIDTH

Minidip

DESCRIPTION

TheTL7700Aseriesaremonolithicintegratedcircuit

supplyvoltagesupervisorsspecificallydesi-gnedfor

use as reset controllers in microcomputer and mi-

croprocessorsystems. During power-upthe device

tests the supply voltage and keeps the RESET and

RESET outputs active (high and low, respectively)

as long as the supply voltage has not reached its

nominal voltage value. Taking RESIN low has the

sameeffect.To ensurethatthe microcomputersys-

temhasreset, theTL7700Athen initiatesaninternal

timedelaythat delaysthereturnof the resetoutputs

to theirinactivestates.Since thetimedelay for most

microcomputersandmicroprocessorsis intheorder

of several machine cycles, the device internal time

delayis determinedby an externaltime delay is de-

termined by an externalcapacitorconnectedto the

C_Tinput (pin 3).

SO8

ORDERING NUMBERS

Temperature Range

0 to 70^oC

Minidip

TL77XXACP

TL77XXAIP

S08

TL77XXACD

TL77XXAID

-25 to 85^oC

PIN CONNECTION (top view)

t_d= 1.3 x 10⁴x C_T

Where : C_Tis in farads (F) and t_dinseconds (s). In

addition, when the supply voltage drops below the

nominal value, the outputs will be active until the

supply voltage returns to the nominal value. An ex-

ternalcapacitor(typically0.1µF)mustbeconnected

to the REF output (pin 1) to reduce the influence of

fast transientsin the supply voltage.

The TL7700AI series is characterized for operation

from – 25^oC to 85^oC ; theTL7700ACseries is char-

acterized from 0^oC to 70^oC.

1/7

August 1996

12 3 4 5 6 7

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