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参数资料
| 型号： | TL7705AID |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 1/7页 |
| 文件大小： | 405K |
| 代理商： | TL7705AID |
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
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL7705AID | 制造商:Texas Instruments 功能描述:ICS CONTROLLERS (POWER MANAGEMENT) SUPP |
| TL7705AID1/A | 功能描述:监控电路 4.55V Supply Voltage RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7705AID1013TRA | 功能描述:监控电路 4.55V Supply Voltage RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7705AIDE4 | 功能描述:监控电路 Sngl SVS f/5V System w/Prg Time Delay RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7705AIDG4 | 功能描述:监控电路 Sngl SVS f/5V System w/Prg Time Delay RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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