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SN0402002DBVR Datasheet(PDF) 1 Page - Texas Instruments |
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SN0402002DBVR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 31 page TPS3106K33DBV V DD RSTVDD RSTSENSE GND SENSE R1 R2 GND V CORE V IO RESET R3 DSP 3.3 V 1.6 V GND MR Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3103, TPS3106, TPS3110 SLVS363F – AUGUST 2001 – REVISED NOVEMBER 2015 TPS3103, TPS3106, TPS3110 Ultralow Supply-Current Voltage Monitor With Optional Watchdog 1 Features 3 Description The TPS310x and TPS311x families of supervisory 1 • Precision Supply Voltage Supervision Range: circuits provide circuit initialization and timing 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V supervision, primarily for DSP and processor-based • High Trip-Point Accuracy: 0.75% systems. • Supply Current of 1.2 μA (Typical) During power-on, RESET is asserted low when the • RESET Defined With Input Voltages as Low as supply voltage (VDD) becomes higher than 0.4 V. 0.4 V Thereafter, the supervisory circuit monitors VDD and keeps the RESET output low as long as VDD remains • Power-On Reset Generator With a Delay Time of below the threshold voltage (VIT–). To ensure proper 130 ms system reset, after VDD surpasses the threshold • Push/Pull or Open-Drain RESET Outputs voltage, an internal timer delays the transition of the • Package Temperature Range: –40°C to 85°C RESET signal from low to high for the specified time. When VDD drops below VIT–, the output transitions low 2 Applications again. • Applications Using Low-Power DSPs, All the devices of this family have a fixed-sense Microcontrollers, or Microprocessors threshold voltage (VIT–) set by an internal voltage divider. • Portable and Battery-Powered Equipment • Intelligent Instruments The TPS3103 and TPS3106 devices have an active- low, open-drain RESET output and either an • Wireless Communication Systems integrated power-fail input (PFI) or SENSE input with • Industrial Equipment corresponding outputs for monitoring other voltages. • Notebook and Desktop Computers The TPS3110 has an active-low push/pull RESET and a watchdog timer to monitor the operation of Typical Application Schematic microprocessors. All three devices have a manual reset pin that can be used to force the outputs low regardless of the sensed voltages. The product spectrum is designed for supply voltages of 0.9 V up to 3.3 V. The circuits are available in 6-pin SOT-23 packages. The TPS31xx family is characterized for operation over a temperature range of –40°C to 85°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS3103xxx TPS3106xxx SOT-23 (6) 2.90 mm × 1.60 mm TPS3110xxx (1) For all available packages, see the orderable addendum at the end of the data sheet. 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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