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V62/04648-01XE PDF预览

V62/04648-01XE

更新时间: 2024-11-20 03:55:55
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德州仪器 - TI /
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描述
VOLTAGE DETECTOR

V62/04648-01XE 数据手册

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ꢀ ꢁꢂꢃ ꢄ ꢅ ꢃ ꢆꢅ ꢇ ꢆꢈ ꢂꢃ ꢄ ꢅ ꢃ ꢊ ꢇ ꢋ ꢆꢈ ꢂꢃ ꢄ ꢅꢋ ꢌꢃ ꢃꢆ ꢈꢁ  
ꢍꢎ ꢏꢀꢐꢊ ꢈ ꢑ ꢈꢀ ꢈꢒ ꢀꢎ ꢓ  
SGLS227B − DECEMBER 2003 − REVISED DECEMBER 2004  
D
Dual Voltage Detector (TPS3805):  
Adjustable/3.3 V  
features  
D
Controlled Baseline  
D
D
D
High 1.5% Threshold Voltage Accuracy  
− One Assembly/Test Site, One Fabrication  
Site  
Supply Current: 3 µA Typical at V  
= 3.3 V  
DD  
D
D
Extended Temperature Performance of Up  
to −55°C to 125°C  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
Push/Pull Reset Output (TPS3805)  
Open-Drain Reset Output (TPS3803)  
D
Five-Pin SC−70 Package  
typical applications  
D
D
D
Enhanced Product-Change Notification  
Qualification Pedigree  
D
Applications Using DSPs, Microcontrollers,  
or Microprocessors  
Single Voltage Detector (TPS3803):  
Adjustable/1.5 V  
D
D
D
D
D
D
D
Wireless Communication Systems  
Portable/Battery-Powered Equipment  
Programmable Controls  
Component qualification in accordance with JEDEC and industry  
standards to ensure reliable operation over an extended  
temperature range. This includes, but is not limited to, Highly  
Accelerated Stress Test (HAST) or biased 85/85, temperature  
cycle, autoclave or unbiased HAST, electromigration, bond  
intermetallic life, and mold compound life. Such qualification  
testing should not be viewed as justifying use of this component  
beyond specified performance and environmental limits.  
Intelligent Instruments  
Industrial Equipment  
Notebook/Desktop Computers  
Automotive Systems  
description  
DCK PACKAGE  
(TOP VIEW)  
The TPS3803 and TPS3805 families of  
TPS3803-01, TPS3803G15, TPS3805  
supervisory circuits provide circuit initialization  
and timing supervision, primarily for DSPs and  
processor-based systems.  
1
2
3
5
NC  
GND  
SENSE  
NC{  
The TPS3803G15 device has a fixed-sense  
threshold voltage V set by an internal voltage  
divider, whereas the TPS3803−01 has an  
adjustable SENSE input that can be configured by  
two external resistors. In addition to the fixed  
4
IT  
RESET  
V
DD  
{
TPS3803G15  
sense threshold monitored at V , the TPS3805  
devices provide a second adjustable SENSE  
input. RESET is asserted in case any of the two  
DD  
typical operating circuit  
1.6 V 3.3 V  
voltages drops below V  
IT.  
During power on, RESET is asserted when supply  
voltage V becomes higher than 0.8 V.  
DV  
CV  
DD  
DD  
RESET  
DD  
R1  
Thereafter, the supervisory circuit monitors V  
V
RESET  
TPS3805H33  
SENSE  
DD  
DD  
(and/or SENSE) and keeps RESET active as long  
as V or SENSE remains below the threshold  
TMS320VC5416  
GND  
DD  
voltage V . As soon as V  
(SENSE) rises above  
IT  
DD  
GND  
the threshold voltage V , RESET is deasserted  
R2  
IT  
again. The product spectrum is designed for  
1.5 V, 3.3 V, and adjustable supply voltages. The  
devices are available in a five-pin SC-70 package.  
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.  
ꢀꢢ  
Copyright 2004 Texas Instruments Incorporated  
ꢞ ꢢ ꢟ ꢞꢗ ꢘꢬ ꢚꢙ ꢝ ꢥꢥ ꢣꢝ ꢛ ꢝ ꢜ ꢢ ꢞ ꢢ ꢛ ꢟ ꢧ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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