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TPS310309DVB PDF预览

TPS310309DVB

更新时间： 2022-11-24 21:40:45
品牌 Logo 应用领域
德州仪器 - TI 监控
页数 文件大小 规格书
22页 359K
描述
ULTRALOW SUPPLY CURRENT/SUPPLY VOLTAGE SUPERVISORY CIRCUITS

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TPS310309DVB 数据手册

 浏览型号TPS310309DVB的Datasheet PDF文件第2页浏览型号TPS310309DVB的Datasheet PDF文件第3页浏览型号TPS310309DVB的Datasheet PDF文件第4页浏览型号TPS310309DVB的Datasheet PDF文件第5页浏览型号TPS310309DVB的Datasheet PDF文件第6页浏览型号TPS310309DVB的Datasheet PDF文件第7页 
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www.ti.com  
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SLVS363B − AUGUST 2001 − REVISED SEPTEMBER 2004  
TPS3103  
DBV PACKAGE  
(TOP VIEW)  
features  
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Precision Supply Voltage Supervision  
Range: 0.9 V, 1.2 V, 1.5 V, 1.6 V,  
2 V, 3.3 V  
1
2
3
6
5
V
DD  
RESET  
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High Trip Point Accuracy: 0.75%  
GND  
MR  
PFO  
PFI  
Supply Current of 1.2 µA (Typ)  
RESET Defined With Input Voltages as Low  
as 0.4 V  
4
TPS3106  
DBV PACKAGE  
(TOP VIEW)  
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Power On Reset Generator With a Delay  
Time of 130 ms  
Push/Pull or Open-Drain RESET Outputs  
SOT23-6 Package  
V
1
2
3
RSTVDD  
GND  
6
5
DD  
Temperature Range . . . −40°C to 85°C  
RSTSENSE  
SENSE  
typical applications  
4
MR  
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Applications Using Low-Power DSPs,  
Microcontrollers or Microprocessors  
TPS3110  
DBV PACKAGE  
(TOP VIEW)  
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Portable/Battery-Powered Equipment  
Intelligent Instruments  
1
2
3
6
5
V
RESET  
GND  
Wireless Communication Systems  
Programmable Controls  
DD  
WDI  
Industrial Equipment  
4
SENSE  
MR  
Notebook/Desktop Computers  
Automotive Systems  
typical application circuit  
description  
The TPS310x, TPS311x families of supervisory  
3.3 V  
1.6 V  
circuits provide circuit initialization and timing  
supervision, primarily for DSP and processor-  
based systems.  
V
V
V
IO  
DD  
core  
DSP  
RESET  
R3  
TPS3106E33DBV  
During power on, RESET is asserted when the  
R1  
R2  
supply voltage (V ) becomes higher than 0.4 V.  
MR  
RSTVDD  
DD  
Thereafter, the supervisory circuit monitors V  
DD  
SENSE  
and keeps the RESET output active as long as  
RSTSENSE  
V
remains below the threshold voltage (V ). An  
DD  
IT  
GND  
GND  
internal timer delays the return of the output to the  
inactive state to ensure proper system reset. The  
GND  
delay time starts after V  
has risen above the V .  
DD  
IT  
When the V  
drops below the V , the output  
DD  
IT  
becomes active again.  
All the devices of this family have a fixed-sense threshold voltage (V ) set by an internal voltage divider.  
IT  
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.  
All trademarks are the property of their respective owners.  
ꢁꢎ ꢐ ꢚꢌ ꢔ ꢀꢙ ꢐꢕ ꢚ ꢏꢀꢏ ꢛꢜ ꢝ ꢞꢟꢠ ꢡꢢ ꢛꢞꢜ ꢛꢣ ꢤꢥ ꢟ ꢟ ꢦꢜꢢ ꢡꢣ ꢞꢝ ꢧꢥꢨ ꢩꢛꢤ ꢡꢢ ꢛꢞꢜ ꢪꢡ ꢢꢦ ꢫ ꢁꢟ ꢞꢪ ꢥꢤꢢ ꢣ  
ꢤ ꢞꢜ ꢝꢞ ꢟ ꢠ ꢢ ꢞ ꢣ ꢧꢦ ꢤ ꢛ ꢝꢛ ꢤ ꢡ ꢢ ꢛꢞ ꢜꢣ ꢧ ꢦꢟ ꢢꢬ ꢦ ꢢꢦ ꢟ ꢠꢣ ꢞꢝ ꢀꢦꢅ ꢡ ꢣ ꢙꢜꢣ ꢢꢟ ꢥꢠ ꢦꢜꢢ ꢣ ꢣꢢ ꢡꢜ ꢪꢡꢟ ꢪ ꢭ ꢡꢟ ꢟ ꢡ ꢜꢢꢮꢫ  
ꢁꢟ ꢞ ꢪꢥꢤ ꢢ ꢛ ꢞꢜ ꢧꢟ ꢞ ꢤ ꢦ ꢣ ꢣ ꢛꢜ ꢯ ꢪꢞ ꢦꢣ ꢜꢞꢢ ꢜꢦ ꢤꢦ ꢣꢣ ꢡꢟ ꢛꢩ ꢮ ꢛꢜꢤ ꢩꢥꢪ ꢦ ꢢꢦ ꢣꢢ ꢛꢜꢯ ꢞꢝ ꢡꢩ ꢩ ꢧꢡ ꢟ ꢡꢠ ꢦꢢꢦ ꢟ ꢣꢫ  
Copyright 2001 − 2004 Texas Instruments Incorporated  
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