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TPS3803G15 Datasheet(PDF) 1 Page - Texas Instruments

No. de Pieza. TPS3803G15
Descripción  VOLTAGE DETECTOR
Descarga  13 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS3803G15 Datasheet(HTML) 1 Page - Texas Instruments

 
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TPS380301EP, TPS3803G15EP, TPS3805H33EP
VOLTAGE DETECTOR
SGLS227B − DECEMBER 2003 − REVISED DECEMBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
D Controlled Baseline
− One Assembly/Test Site, One Fabrication
Site
D Extended Temperature Performance of Up
to −55
°C to 125°C
D Enhanced Diminishing Manufacturing
Sources (DMS) Support
D Enhanced Product-Change Notification
D Qualification Pedigree
D Single Voltage Detector (TPS3803):
Adjustable/1.5 V
† 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.
D Dual Voltage Detector (TPS3805):
Adjustable/3.3 V
D High ±1.5% Threshold Voltage Accuracy
D Supply Current: 3 µA Typical at VDD = 3.3 V
D Push/Pull Reset Output (TPS3805)
Open-Drain Reset Output (TPS3803)
D Five-Pin SC−70 Package
typical applications
D Applications Using DSPs, Microcontrollers,
or Microprocessors
D Wireless Communication Systems
D Portable/Battery-Powered Equipment
D Programmable Controls
D Intelligent Instruments
D Industrial Equipment
D Notebook/Desktop Computers
D Automotive Systems
description
The
TPS3803
and
TPS3805
families
of
supervisory circuits provide circuit initialization
and timing supervision, primarily for DSPs and
processor-based systems.
The TPS3803G15 device has a fixed-sense
threshold voltage VIT 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
sense threshold monitored at VDD, the TPS3805
devices provide a second adjustable SENSE
input. RESET is asserted in case any of the two
voltages drops below VIT.
During power on, RESET is asserted when supply
voltage VDD becomes higher than 0.8 V.
Thereafter, the supervisory circuit monitors VDD
(and/or SENSE) and keeps RESET active as long
as VDD or SENSE remains below the threshold
voltage VIT. As soon as VDD (SENSE) rises above
the threshold voltage VIT, RESET is deasserted
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.
Copyright
 2004 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.
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.
3
2
4
5
DCK PACKAGE
(TOP VIEW)
1
NC
GND
RESET
VDD
SENSE
NC
{
TPS3803-01, TPS3803G15, TPS3805
typical operating circuit
TPS3805H33
TMS320VC5416
RESET
VDD
SENSE
GND
DVDD
CVDD
RESET
GND
3.3 V
1.6 V
R1
R2
{TPS3803G15


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