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| 型号： | TLC7705QPWLE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | PLASTIC, TSSOP-8 |
| 文件页数： | 1/28页 |
| 文件大小： | 766K |
| 代理商： | TLC7705QPWLE |
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TLC7701, TLC7725, TLC7703, TLC7733, TLC7705
MICROPOWER SUPPLY VOLTAGE SUPERVISORS
SLVS087L DECEMBER 1994 REVISED FEBRUARY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Power-On Reset Generator
D Automatic Reset Generation After
Voltage Drop
D Precision Voltage Sensor
D Temperature-Compensated Voltage
Reference
D Programmable Delay Time by External
Capacitor
D Supply Voltage Range ...2 V to 6 V
D Defined RESET Output from VDD ≥1 V
D Power-Down Control Support for Static
RAM With Battery Backup
D Maximum Supply Current of 16 A
D Power Saving Totem-Pole Outputs
D Temperature Range . . . Up to 55°C to
125
°C
description
The TLC77xx family of micropower supply voltage
supervisors provide reset control, primarily in
microcomputer and microprocessor systems.
During power-on, RESET is asserted when VDD
reaches 1 V. After minimum VDD (≥ 2 V) is
established, the circuit monitors SENSE voltage
and keeps the reset outputs active as long as
SENSE voltage (VI(SENSE)) remains below the
threshold voltage. An internal timer delays return
of the output to the inactive state to ensure proper
system reset. The delay time, td, is determined by
an external capacitor:
td = 2.1 × 104 × CT
Where
CT is in farads
td is in seconds
Except for the TLC7701, which can be customized with two external resistors, each supervisor has a fixed
SENSE threshold voltage set by an internal voltage divider. When SENSE voltage drops below the threshold
voltage, the outputs become active and stay in that state until SENSE voltage returns above threshold voltage
and the delay time, td, has expired.
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.
Copyright
1994 2003, Texas Instruments Incorporated
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CONTROL
RESIN
CT
GND
VDD
SENSE
RESET
D, JG, P OR PW PACKAGE
(TOP VIEW)
32
1 20 19
910 11 12 13
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5
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8
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NC
SENSE
NC
RESET
NC
RESIN
NC
CT
NC
CONTROL
NC
RESET
NC
V
DD
FK PACKAGE
(TOP VIEW)
GND
1
2
3
4
5
10
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6
NC
CONTROL
RESIN
CT
GND
NC
VDD
SENSE
RESET
U PACKAGE
(TOP VIEW)
相关PDF资料 |
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|---|---|
| TLC7701IDRG4 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| TLC7733IPW | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| TLC7705MUB | 1-CHANNEL POWER SUPPLY SUPPORT CKT, CDFP10 |
| TLC7733IDG4 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| TLC7705MJG | 1-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC7705QPWR | 功能描述:监控电路 Single Power SVS 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 |
| TLC7705QPWREP | 功能描述:监控电路 Mil Enhance Micropwr Supply Vltg Sup 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 |
| TLC7705QPWRG4 | 功能描述:监控电路 Single Power SVS 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 |
| TLC7705QPWRG4Q1 | 功能描述:监控电路 Sgl Pwr SVS 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 |
| TLC7705QPWRQ1 | 功能描述:监控电路 Auto Catalog McroPWR VLTG Supervisors 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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