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TPS3103K33DBVT Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS3103K33DBVT Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 22 page TPS31xxExx, TPS31xxH20, TPS31xxK33 ULTRALOW SUPPLY CURRENT/SUPPLY VOLTAGE SUPERVISORY CIRCUITS SLVS363B − AUGUST 2001 − REVISED SEPTEMBER 2004 www.ti.com 1 features D Precision Supply Voltage Supervision Range: 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, 3.3 V D High Trip Point Accuracy: 0.75% D Supply Current of 1.2 µA (Typ) D RESET Defined With Input Voltages as Low as 0.4 V D Power On Reset Generator With a Delay Time of 130 ms D Push/Pull or Open-Drain RESET Outputs D SOT23-6 Package D Temperature Range ... −40°C to 85°C typical applications D Applications Using Low-Power DSPs, Microcontrollers or Microprocessors D Portable/Battery-Powered Equipment D Intelligent Instruments D Wireless Communication Systems D Programmable Controls D Industrial Equipment D Notebook/Desktop Computers D Automotive Systems description The TPS310x, TPS311x families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSP and processor- based systems. During power on, RESET is asserted when the supply voltage (VDD) becomes higher than 0.4 V. Thereafter, the supervisory circuit monitors VDD and keeps the RESET output active as long as VDD remains below the threshold voltage (VIT). An internal timer delays the return of the output to the inactive state to ensure proper system reset. The delay time starts after VDD has risen above the VIT. When the VDD drops below the VIT, the output becomes active again. All the devices of this family have a fixed-sense threshold voltage (VIT) set by an internal voltage divider. Copyright 2001 − 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. All trademarks are the property of their respective owners. (TOP VIEW) RESET GND MR VDD PFI TPS3103 DBV PACKAGE PFO (TOP VIEW) RSTVDD GND MR VDD SENSE TPS3106 DBV PACKAGE RSTSENSE (TOP VIEW) RESET GND MR VDD SENSE TPS3110 DBV PACKAGE WDI TPS3106E33DBV VDD RSTVDD RSTSENSE GND SENSE R1 R2 GND Vcore VIO RESET R3 DSP 3.3 V 1.6 V GND typical application circuit 3 2 4 6 1 5 3 2 4 6 1 5 3 2 4 6 1 5 MR |
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