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TPS3809I50QDBVRQ1 Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS3809I50QDBVRQ1
Descripción Electrónicos  3-PIN SUPPLY VOLTAGE SUPERVISORS
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS3809I50QDBVRQ1 Datasheet(HTML) 1 Page - Texas Instruments

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TPS3809J25Q1, TPS3809L30Q1, TPS3809K33Q1, TPS3809I50Q1
3PIN SUPPLY VOLTAGE SUPERVISORS
SGLS142 – DECEMBER 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Qualification in Accordance With
AEC-Q100
D Qualified for Automotive Applications
D Customer-Specific Configuration Control
Can Be Supported Along With
Major-Change Approval
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Using Human
Body Model (C = 100 pF, R = 1500
Ω)
D 3-Pin SOT-23 Package
D Supply Current of 9 µA (Typical)
† Contact factory for details. Q100 qualification data available on
request.
D Precision Supply Voltage Monitor
2.5 V, 3 V, 3.3 V, 5 V
D Power-On Reset Generator With Fixed
Delay Time of 200 ms
D Pin-For-Pin Compatible With MAX 809
description
The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for
DSPs and processor-based systems.
During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the
supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage
VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset.
The delay time, td(typ) = 200 ms, starts after VDD has risen above the threshold voltage VIT. When the supply
voltage drops below the threshold voltage VIT, the output becomes active (low) again. No external components
are required. All the devices of this family have a fixed sense-threshold voltage VIT set by an internal voltage
divider.
The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available
in a 3-pin SOT-23. The TPS3809xxxQ-Q1 devices are characterized for operation over a temperature range
of –40
°C to 125°C, and are qualified in accordance with AEC-Q100 stress test qualification for integrated
circuits.
typical applications
3.3 V
TPS3809K33
TMS320LC54x
GND
GND
RESET
RESET
VDD
VDD
D Applications Using Automotive DSPs,
Microcontrollers, or Microprocessors
D Wireless Communication Systems
D Battery-Powered Equipment
D Programmable Controls
D Intelligent Instruments
D Industrial Equipment
D Automotive Systems
TPS76333
GND
OUT
IN
5 V
Copyright
 2002, 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.
2
3
TPS3809 . . . DBV PACKAGE
(TOP VIEW)
1
RESET
VDD
GND


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