參數(shù)資料
型號: TL7705AD
廠商: Texas Instruments, Inc.
英文描述: SUPPLY-VOLTAGE SUPERVISORS
中文描述: 電源電壓監(jiān)事
文件頁數(shù): 1/7頁
文件大?。?/td> 67K
代理商: TL7705AD
TL7700 A Series
August1996
SUPPLY VOLTAGE SUPERVISORS
.
POWER-ONRESET GENERATOR
.
AUTOMATIC RESET GENERATION AFTER
VOLTAGEDROP
.
WIDE SUPPLY VOLTAGE RANGE ... 3V TO
TEMPERATURE-COMPENSATED VOLTAGE
REFERENCE
.
TRUE AND COMPLEMENT RESETOUTPUTS
.
EXTERNALLYADJUSTABLEPULSE WIDTH
18V
.
PRECISIONVOLTAGESENSOR
N
Minidip
DESCRIPTION
TheTL7700Aseriesaremonolithicintegratedcircuit
supplyvoltagesupervisorsspecificallydesi-gnedfor
use as reset controllers in microcomputer and mi-
croprocessorsystems.During power-upthedevice
teststhesupplyvoltageand keepstheRESETand
RESET outputsactive (high and low, respectively)
as long as the supply voltage has not reached its
nominal voltage value. Taking RESIN low has the
sameeffect.Toensurethatthemicrocomputersys-
temhasreset,theTL7700Atheninitiatesaninternal
timedelaythatdelaysthereturnoftheresetoutputs
totheirinactivestates.Sincethetimedelayformost
microcomputersandmicroprocessorsisintheorder
of several machinecycles, the device internaltime
delayis determinedby an externaltimedelayisde-
terminedby an externalcapacitorconnectedto the
C
T
input(pin3).
t
d
=1.3 x 10
4
x C
T
Where: C
T
is in farads(F) and t
d
inseconds (s). In
addition,when the supply voltage drops below the
nominal value, the outputs will be active until the
supplyvoltagereturns to the nominalvalue. An ex-
ternalcapacitor(typically0.1
μ
F)mustbeconnected
to theREF output(pin 1) to reducetheinfluenceof
fasttransientsin the supply voltage.
The TL7700AIseries is characterizedforoperation
from–25
o
C to85
o
C ;theTL7700ACseriesis char-
acterizedfrom 0
o
C to70
o
C.
D
SO8
ORDERING NUMBERS
Temperature Range
0 to 70
o
C
-25 to 85
o
C
Minidip
TL77XXACP
TL77XXAIP
S08
TL77XXACD
TL77XXAID
PIN CONNECTION
(top view)
1/7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL7705AIC 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SUPPLY VOLTAGE SUPERVISORS
TL7705AID 功能描述:監(jiān)控電路 4.55V Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7705AID 制造商:Texas Instruments 功能描述:ICS CONTROLLERS (POWER MANAGEMENT) SUPP
TL7705AID1/A 功能描述:監(jiān)控電路 4.55V Supply Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7705AID1013TRA 功能描述:監(jiān)控電路 4.55V Supply Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲(典型值):10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel