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TPS3802K33DCKRG4 Fiches technique(PDF) 1 Page - Texas Instruments

No de pièce TPS3802K33DCKRG4
Description  ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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TPS380x . . . DCK PACKAGE
(TOP VIEW)
1
RESET
GND
MR
VDD
GND
3
2
4
5
TPS3801−01 . . . DCK PACKAGE
(TOP VIEW)
1
RESET
GND
SENSE
VDD
GND
typical applications
VDD = 1.8 V
100 nF
TPS3801E18
TMS320VC5420
GND
GND
MR
RESET
RESET
CoreVDD
VDD
TPS3800-xx
TPS3801-xx
TPS3802-xx
SLVS219C – AUGUST 1999 – REVISED JULY 2003
ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
FEATURES
DESCRIPTION
Small, 5-Pin SC-70 (SOT-323) Package
The TPS380x family of supervisory circuits monitor
supply voltages to provide circuit initialization and
Supply Current of 9 µA
timing supervision, primarily for DSPs and other pro-
Power-On Reset Generator With Fixed Delay
cessor-based systems.
Time
These devices assert a push-pull RESET signal when
– TPS3800 = 100 ms
the SENSE (adjustable version) or VDD (fixed version)
– TPS3801 = 200 ms
drops below a preset threshold. The RESET output
– TPS3802 = 400 ms
remains asserted for the factory programmed delay
Precision Supply Voltage Monitor 1.8 V, 2.5 V,
time after the SENSE or VDD return above its threshold.
2.7 V, 3 V, 3.3 V, 5 V, and Adjustable
The TPS380x devices, except the TPS3801-01, incor-
Manual Reset Input (Except TPS3801-01)
porate a manual reset input (MR). A low level at MR
causes RESET to become active.
Temperature Range: -40
°C to 85°C
The TPS380x uses a precision reference to achieve an
APPLICATIONS
overall threshold accuracy of 2% - 2.5%. These devices
are available in a 5-pin SC-70 package, which is only
Applications Using DSPs, Microcontrollers, or
about half the size of a 5-pin SOT-23 package.
Microprocessors
The TPS380x devices are fully specified over a tem-
Wireless Communication Systems
perature range of -40
°C to 85°C.
Portable/Battery-Powered Equipment
Programmable Controls
Intelligent Instruments
Industrial Equipment
Notebook/Desktop Computers
Automotive Systems
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999 – 2003, Texas Instruments Incorporated
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily in-
clude testing of all parameters.


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