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參數資料
| 型號： | TL7702ACP/A |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8 |
| 封裝： | MINI, DIP-8 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 830K |
| 代理商： | TL7702ACP/A |
TL7700A Series
July 2000
SUPPLY VOLTAGE SUPERVISORS
.
POWER-ON RESET GENERATOR
.
AUTOMATIC RESET GENERATION AFTER
VOLTAGE DROP
.
WIDE SUPPLY VOLTAGE RANGE ... 3V TO
18V
.
PRECISION VOLTAGE SENSOR
.
TEMPERATURE-COMPENSATED VOLTAGE
REFERENCE
.
TRUE AND COMPLEMENT RESET OUTPUTS
.
EXTERNALLY ADJUSTABLE PULSE WIDTH
N
Minidip
DESCRIPTION
The TL7700A series are monolithic supply voltage
supervisor IC’s specifically designed for use as reset
controllers in microcomputer and microprocessor
systems. During power-up the device tests the sup-
ply voltage and keeps the RESET and RESET out-
puts active (high and low, respectively) as long as
the supply voltage has not reached its nominal volt-
age value. Taking RESIN low has the same effect.
To ensure that the microcomputer system has reset,
the TL7700A then initiates an internal time count
that delays the return of the reset outputs to their in-
active states. Since the time delay for most micro-
computers and microprocessors is in the order of
several machine cycles, the device internal time de-
lay is determined by an external capacitor con-
nected to the CT input (pin 3).
tpo = 1.3 x 10
4 x CT
Where : CT is in farads (F) and tpo in seconds (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-
ternal capacitor (typically 0.1
F) must be connected
to the REF output (pin 1) to reduce the influence of
fast transients in the supply voltage.
The TL7700AI series is characterized for operation
from – 25
oC to 85oC ; the TL7700AC series is char-
acterized from 0
oC to 70oC.
D
SO8
ORDERING NUMBERS
Temperature Range
Minidip
S08
0 to 70
oC
TL77XXACP
TL77XXACD
-25 to 85
oC
TL77XXAIP
TL77XXAID
PIN CONNECTION (top view)
1/7
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TL7702ACPE4 | 功能描述:監(jiān)控電路 Sngl SVS W/Prg UV Th & Reset Time Delay RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
| TL7702ACY | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SUPPLY-VOLTAGE SUPERVISORS |
| TL7702AD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SUPPLY-VOLTAGE SUPERVISORS |
| TL7702AID | 功能描述:監(jiān)控電路 2.53V Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
| TL7702AID1/A | 功能描述:監(jiān)控電路 2.53V Supply Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數: 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: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 |
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