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TLC7705QPWRQ1

更新时间： 2024-11-26 12:22:31
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德州仪器 - TI 电源电路电源管理电路光电二极管监控
页数 文件大小 规格书
14页 217K
描述
MICROPOWER SUPPLY VOLTAGE SUPERVISORS

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TLC7705QPWRQ1 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：GREEN, PLASTIC, TSSOP-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.13
Is Samacsys：N其他特性：RESET THRESHOLD VOLTAGE IS 4.5V; POWER-ON RESET GENERATOR
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.4 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：2/6 V
认证状态：Not Qualified筛选级别：AEC-Q100
座面最大高度：1.2 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.016 mA最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：2 V标称供电电压 (Vsup)：2.7 V
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL阈值电压标称：+4.55V
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

TLC7705QPWRQ1 数据手册

 浏览型号TLC7705QPWRQ1的Datasheet PDF文件第2页浏览型号TLC7705QPWRQ1的Datasheet PDF文件第3页浏览型号TLC7705QPWRQ1的Datasheet PDF文件第4页浏览型号TLC7705QPWRQ1的Datasheet PDF文件第5页浏览型号TLC7705QPWRQ1的Datasheet PDF文件第6页浏览型号TLC7705QPWRQ1的Datasheet PDF文件第7页 
TLC7701-Q1, TLC7705-Q1, TLC7733-Q1  
MICROPOWER SUPPLY VOLTAGE SUPERVISORS  
ꢀ
SGLS208A − OCTOBER 2003 − REVISED MAY 2008  
PW PACKAGE  
(TOP VIEW)  
D
D
D
Qualified for Automotive Applications  
Power-On Reset Generator  
Automatic Reset Generation After  
Voltage Drop  
CONTROL  
RESIN  
CT  
VDD  
1
2
3
4
8
7
6
5
SENSE  
RESET  
RESET  
D
Precision Voltage Sensor  
GND  
D
Temperature-Compensated Voltage  
Reference  
D
Programmable Delay Time by External  
Capacitor  
D
D
D
Supply Voltage Range . . . 2 V to 6 V  
Defined RESET Output from V ≥1 V  
DD  
Power-Down Control Support for Static  
RAM With Battery Backup  
D
Maximum Supply Current of 16 μA  
Power Saving Totem-Pole Outputs  
D
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 V reaches 1 V. After minimum V (≥ 2 V) is established, the  
DD  
DD  
circuit monitors SENSE voltage and keeps the reset outputs active as long as SENSE voltage (V  
)
I(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, t , is determined by an external capacitor:  
d
4
t = 2.1 × 10 × C  
d
T
Where  
C is in farads  
T
t is in seconds  
d
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, t , has expired.  
d
In addition to the power-on-reset and undervoltage-supervisor function, the TLC77xx adds power-down control  
support for static RAM. When CONTROL is tied to GND, RESET will act as active high. The voltage monitor  
contains additional logic intended for control of static memories with battery backup during power failure. By  
driving the chip select (CS) of the memory circuit with the RESET output of the TLC77xx and with the CONTROL  
driven by the memory bank select signal (CSH1) of the microprocessor (see Figure 10), the memory circuit is  
automatically disabled during a power loss. (In this application the TLC77xx power has to be supplied by the  
battery.)  
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.  
Copyright © 2008, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...14

中文翻译

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TLC7705QPWRQ1 替代型号

型号 品牌 替代类型 描述 数据表
TLC7705QPWLE TI

完全替代

 Micropower Supply Voltage Supervisors
TLC7705IPWR TI

类似代替

 Micropower Supply Voltage Supervisors
TLC7705QPW TI

类似代替

 MICROPOWER SUPPLY VOLTAGE SUPERVISORS

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