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V62/03629-02YE PDF预览

V62/03629-02YE

更新时间: 2023-06-19 15:19:30
品牌 Logo 应用领域
德州仪器 - TI 监控
页数 文件大小 规格书
14页 426K
描述
三路处理器电压监控器 | DGN | 8 | -55 to 125

V62/03629-02YE 数据手册

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TPS3307-18, TPS3307-25, TPS3307-33  
www.ti.com  
SLVS199BDECEMBER 1998REVISED OCTOBER 2004  
TRIPLE PROCESSOR SUPERVISORS  
FEATURES  
D OR DGN PACKAGE  
(TOP VIEW)  
Triple Supervisory Circuits for DSP and  
Processor-Based Systems  
SENSE1  
SENSE2  
SENSE3  
GND  
V
DD  
1
2
3
4
8
7
6
5
Power-On Reset Generator With Fixed Delay  
Time of 200ms, No External Capacitor Needed  
MR  
RESET  
RESET  
Temperature-Compensated Voltage Reference  
Maximum Supply Current of 40µA  
Supply Voltage Range: 2V to 6V  
Defined RESET Output From VDD1.1V  
MSOP-8 and SO-8 Packages  
Temperature Range : – 40°C to 85°C  
Typical Applications  
Figure 1 lists some of the typical applications for the TPS3307 family, and a schematic diagram for a  
processor-based system application. This application uses TI part numbers TPS3307-33 and MSP430C325.  
2.5V  
5V  
3.3V  
Applications using DSPs,  
Microcontrollers or Microprocessors  
V
V
DD  
DD  
w Industrial Equipment  
100nF  
SENSE 1  
MSP430C325  
RESET  
w Programmable Controls  
w Automotive Systems  
SENSE 2  
RESET  
470k  
TPS3307−33  
w Portable/Battery Powered Equipment  
w Intelligent Instruments  
GND  
SENSE 3  
GND  
w Wireless Communication Systems  
w Notebook/Desktop Computers  
620kΩ  
Figure 1. Applications Using the TPS3307 Family  
DESCRIPTION  
The TPS3307 family is a series of micropower supply voltage supervisors designed for circuit initialization  
primarily in DSP and processor-based systems, which require more than one supply voltage.  
The product spectrum of the TPS3307-xx is designed for monitoring three independent supply voltages:  
3.3V/1.8V/adj, 3.3V/2.5V/adj or 3.3V/5V/adj. The adjustable SENSE input allows the monitoring of any supply  
voltage >1.25V.  
The various supply voltage supervisors are designed to monitor the nominal supply voltage as shown in the  
following supply voltage monitoring table.  
During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1V. Thereafter, the  
supply voltage supervisor monitors the SENSEn inputs and keeps RESET active as long as SENSEn remain  
below the threshold voltage VIT+  
.
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.  
PowerPAD is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1998–2004, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  

V62/03629-02YE 替代型号

型号 品牌 替代类型 描述 数据表
TPS3307-33MDGNREP TI

类似代替

Triple Processor Voltage Supervisor 8-HVSSOP -55 to 125

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