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TPS3707-25D Datasheet(PDF) 1 Page - Texas Instruments |
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TPS3707-25D Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page MR RESET TPS3705−50 PFI VDD GND 100 nF RESET/NMI VDD GND 5 V 12 V 910 k Ω 120 k Ω MSP430P112 PFO WDI WDO I/O I/O Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. TPS3705-30, TPS3705-33, TPS3705-50, TPS3707-30, TPS3707-50 SLVS184D – NOVEMBER 1998 – REVISED MAY 2016 TPS370x-xx Processor Supervisory Circuits With Power-Fail 1 1 Features 1 • Power-On Reset Generator With Fixed Delay Time of 200 ms (No External Capacitor Needed) • Precision Supply Voltage Monitor: 2.5 V, 3 V, 3.3 V, and 5 V • Pin-for-Pin Compatible With the MAX705 Through MAX708 Series • Integrated Watchdog Time (TPS3705-xx Only) • Voltage Monitor for Power-Fail or Low-Battery Warning • Maximum Supply Current of 50 µA • 8-Pin MSOP and 8-Pin SOIC Packages • Temperature Range: –40°C to 85°C 2 Applications • Designs Using DSPs, Microcontrollers, or Microprocessors • Industrial Equipment • Programmable Controls • Automotive Systems • Portable or Battery Powered Equipment • Intelligent Instruments • Wireless Communication Systems • Notebook or Desktop Computers 3 Description The TPS370x-xx family of microprocessor supply- voltage supervisors 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 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active as long as VDD remains below 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 either 8-pin MSOP or standard SOIC packages. The TPS370x-xx devices are characterized for operation over a temperature range of −40°C to 85°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS3705-xx, TPS3707-xx MSOP- PowerPAD™ (8) 358 mm × 335 mm SOIC (8) 367 mm × 367 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical MSP430 Application |
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