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TPS3803-01 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS3803-01
Descripción Electrónicos  Voltage Detectors
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TPS3803-01 Datasheet(HTML) 1 Page - Texas Instruments

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Processor
TPS3805H33-Q1
R1
R2
1.6 V
3.3 V
RESET
GND
VDD
SENSE
RESET
DVDD
CVDD
GND
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TPS3803-01-Q1
TPS3803G15-Q1, TPS3805H33-Q1
SGLS228C – DECEMBER 2003 – REVISED SEPTEMBER 2015
TPS380x-Q1 Voltage Detectors
The TPS3803G15-Q1 device has a fixed-sense
1 Features
threshold voltage VIT set by an internal voltage
1
Qualified for Automotive Applications
divider,
whereas
the
TPS3803-01-Q1
has
an
Single Voltage Detector (TPS3803): Adjustable
adjustable SENSE input that can be configured by
and 1.5 V
two external resistors. In addition to the fixed sense
threshold monitored at VDD, the TPS3805-Q1 devices
Dual Voltage Detector (TPS3805): Adjustable and
provide a second adjustable SENSE input. RESET is
3.3 V
asserted in case either of the two voltages drops
High ±1.5% Threshold Voltage Accuracy
below VIT.
Supply Current: 3
μA Typical at VDD = 3.3 V
During power on, RESET is asserted when supply
Push/Pull Reset Output (TPS3805),
voltage VDD becomes higher than 0.8 V. Thereafter,
Open-Drain Reset Output (TPS3803)
the supervisory circuit monitors VDD (and/or SENSE)
and keeps RESET active as long as VDD or SENSE
Temperature Range: –40°C to 125°C
remains below the threshold voltage VIT. As soon as
5-Pin SC-70 Package
VDD (SENSE) rises above the threshold voltage VIT,
RESET is deasserted again. The product spectrum is
2 Applications
designed for 1.5-V, 3.3-V, and adjustable supply
Applications Using DSPs, Microcontrollers, or
voltages.
Microprocessors
The devices are available in a 5-pin SC-70 package.
Advanced Driver Assistance Systems
The TPS3803-Q1 and TPS3805-Q1 devices are
characterized for operation over a temperature range
Automotive Infotainment
of –40°C to 125°C.
Automotive Cluster
Device Information(1)
3 Description
PART NUMBER
PACKAGE
BODY SIZE (NOM)
The
TPS3803-Q1
and
TPS3805-Q1
families
of
TPS3803-01-Q1
supervisory circuits provide circuit initialization and
TPS3803G15-Q1
SC-70 (5)
2.00 mm × 1.25 mm
timing supervision, primarily for DSPs and processor-
based systems.
TPS3805H33-Q1
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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