SNVSCF5B June   2023  – March 2025 TPS35

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Comparison
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics
    7. 6.7  Timing Requirements
    8. 6.8  Switching Characteristics
    9. 6.9  Timing Diagrams
    10. 6.10 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Voltage Supervisor
      2. 7.3.2 Timeout Watchdog Timer
        1. 7.3.2.1 tWD Timer
        2. 7.3.2.2 Watchdog Enable Disable Operation
        3. 7.3.2.3 tSD Watchdog Start Up Delay
        4. 7.3.2.4 SET Pin Behavior
      3. 7.3.3 Manual RESET
      4. 7.3.4 RESET and WDO Output
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Output Assert Delay
        1. 8.1.1.1 Factory-Programmed Output Assert Delay Timing
        2. 8.1.1.2 Adjustable Capacitor Timing
      2. 8.1.2 Watchdog Timer Functionality
        1. 8.1.2.1 Factory-Programmed Timing Options
        2. 8.1.2.2 Adjustable Capacitor Timing
    2. 8.2 Typical Applications
      1. 8.2.1 Design 1: Monitoring a Microcontroller Supply Voltage and Watchdog Timer
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Setting the Voltage Threshold
          2. 8.2.1.2.2 Meeting the Watchdog Timeout Period
          3. 8.2.1.2.3 Setting the Reset Delay
          4. 8.2.1.2.4 Setting the Startup Delay and Output Topology
          5. 8.2.1.2.5 Calculating the RESET Pullup Resistor
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Typical Characteristics

all curves are taken at TA = 25°C (unless otherwise noted)

TPS35 VIT- Accuracy vs TemperatureFigure 6-2 VIT- Accuracy vs Temperature
TPS35 VIT- Hysteresis Vs TemperatureFigure 6-4 VIT- Hysteresis Vs Temperature
TPS35 Timer Accuracy vs
            TemperatureFigure 6-6 Timer Accuracy vs Temperature
TPS35 tWD vs CapacitanceFigure 6-8 tWD vs Capacitance
TPS35 RESET VOL vs I
              sink, VDD = 1.5VFigure 6-10 RESET VOL vs I sink, VDD = 1.5V
TPS35 RESET VOL vs I
              sink, VDD = 3.3VFigure 6-12 RESET VOL vs I sink, VDD = 3.3V
TPS35 RESET VOH vs I
              source, VDD = 2.0VFigure 6-14 RESET VOH vs I source, VDD = 2.0V
TPS35 RESET VOH vs I source, VDD = 6.0VFigure 6-16 RESET VOH vs I source, VDD = 6.0V
TPS35 Supply Current
            vs Power-Supply VoltageFigure 6-18 Supply Current vs Power-Supply Voltage
TPS35 VIT- Accuracy
            HistogramFigure 6-3 VIT- Accuracy Histogram
TPS35 Supply Glitch Immunity vs OverdriveFigure 6-5 Supply Glitch Immunity vs Overdrive
TPS35 Timer Accuracy HistogramFigure 6-7 Timer Accuracy Histogram
TPS35 tD vs CapacitanceFigure 6-9 tD vs Capacitance
TPS35 WDO VOL vs I
              sink, VDD = 1.5VFigure 6-11 WDO VOL vs I sink, VDD = 1.5V
TPS35 WDO VOL vs I sink, VDD = 3.3VFigure 6-13 WDO VOL vs I sink, VDD = 3.3V
TPS35 WDO VOH vs I source, VDD = 2.0VFigure 6-15 WDO VOH vs I source, VDD = 2.0V
TPS35 WDO VOH vs I source, VDD = 6.0VFigure 6-17 WDO VOH vs I source, VDD = 6.0V