TPS3707-50 Datasheet | Texas Instruments

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 patible 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 munication Systems - Notebook or Desktop puters 3 Description The TPS370x-xx family of microprocessor supplyvoltage supervisors provide circuit initialization and timing supervision, primarily for DSP and processorbased systems. During power-on, RESET is asserted when the supply voltage VDD bees 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 bees active (low) again. No external ponents 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 MSOPPower PAD™ (8) SOIC (8) 3.00 mm × 3.00 mm 3.90 mm × 4.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical MSP430 Application 12 V 5V 910 kΩ 120 kΩ VDD PFO TPS3705-...