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TPS3103E15DBVR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS3103E15DBVR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page 1 FEATURES DESCRIPTION APPLICATIONS (TOPVIEW) RESET GND MR V DD PFI TPS3103 DBVPACKAGE PFO 3 2 4 6 1 5 (TOPVIEW) RSTVDD GND MR V DD SENSE TPS3106 DBVPACKAGE RSTSENSE 3 2 4 6 1 5 (TOPVIEW) RESET GND MR V DD SENSE TPS3110 DBVPACKAGE WDI 3 2 4 6 1 5 TypicalApplicationCircuit TPS3106K33DBV V DD RSTVDD RSTSENSE GND SENSE R1 R2 GND V CORE V IO RESET R3 DSP 3.3V 1.6V GND MR TPS3103xxx TPS3106xxx TPS3110xxx SLVS363E – AUGUST 2001 – REVISED SEPTEMBER 2007 www.ti.com UltraLow Supply-Current/Supply-Voltage Supervisory Circuits 2 • Precision Supply Voltage Supervision Range: 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V The TPS310x and TPS311x families of supervisory circuits provide circuit initialization and timing • High Trip-Point Accuracy: 0.75% supervision, primarily for DSP and processor-based • Supply Current of 1.2 μA (typical) systems. • RESET Defined With Input Voltages as Low as During power-on, RESET is asserted when the 0.4 V supply voltage (VDD) becomes higher than 0.4 V. • Power-On Reset Generator With a Delay Time Thereafter, the supervisory circuit monitors VDD and of 130 ms keeps the RESET output active as long as VDD • Push/Pull or Open-Drain RESET Outputs remains below the threshold voltage (VIT). An internal timer delays the return of the output to the inactive • SOT23-6 Package state to ensure proper system reset. The delay time • Package Temperature Range: –40°C to +85°C starts after VDD has risen above VIT. When VDD drops below VIT, the output becomes active again. All the devices of this family have a fixed-sense • Applications Using Low-Power DSPs, threshold voltage (VIT) set by an internal voltage Microcontrollers, or Microprocessors divider. • Portable- and Battery-Powered Equipment The TPS3103 and TPS3106 have an active-low, • Intelligent Instruments open-drain RESET output. The TPS3110 has an • Wireless Communication Systems active-low push/pull RESET. • Industrial Equipment The product spectrum is designed for supply voltages • Notebook/Desktop Computers of 0.9 V up to 3.3 V. The circuits are available in SOT23-6 packages. The TPS31xx family is characterized for operation over a temperature range of –40 °C to +85°C. 1 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 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2001–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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