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TPS3809I50QDBVRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS3809I50QDBVRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 9 page 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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