SNVSCF5A June   2023  – December 2023 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

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

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

GUID-20221206-SS0I-LNMQ-C0JR-PD7QLWDWZMP5-low.svgFigure 6-2 VIT- Accuracy vs Temperature
GUID-20221206-SS0I-FF5B-BZDM-X86PFMC0BCGP-low.svgFigure 6-4 VIT- Hysteresis Vs Temperature
GUID-20221206-SS0I-KNCD-02LC-PSVKJCZPDGDR-low.svgFigure 6-6 Timer Accuracy vs Temperature
GUID-20221206-SS0I-0GSK-PB3G-XTNFCVGRZTW0-low.svgFigure 6-8 tWD vs Capacitance
GUID-20221206-SS0I-TFPH-P6RN-ZQ0BHHVLWDMW-low.svgFigure 6-10 RESET VOL vs I sink, VDD = 1.5 V
GUID-20221206-SS0I-5W9Q-28VG-03FKLNFKPTQR-low.svgFigure 6-12 RESET VOL vs I sink, VDD = 3.3 V
GUID-20221206-SS0I-DCZS-X1G6-6H17BQDCWPJG-low.svgFigure 6-14 RESET VOH vs I source, VDD = 2.0 V
GUID-20221206-SS0I-QFK8-TLF6-TJKRJTNWTMRV-low.svgFigure 6-16 RESET VOH vs I source, VDD = 6.0 V
GUID-20221209-SS0I-9QBT-474B-54LKRQPBVD0K-low.svgFigure 6-18 Supply Current vs Power-Supply Voltage
GUID-20230118-SS0I-XCNG-JCB4-NZBVF70KSKMG-low.svgFigure 6-3 VIT- Accuracy Histogram
GUID-20221206-SS0I-BXBR-HNRW-KRVQW97WSQ18-low.svgFigure 6-5 Supply Glitch Immunity vs Overdrive
GUID-20221206-SS0I-22G1-RGQ8-5ZKWPGJRZVVK-low.svgFigure 6-7 Timer Accuracy Histogram
GUID-20221206-SS0I-FMZF-GPTX-KMCBWT4VLDPK-low.svgFigure 6-9 tD vs Capacitance
GUID-20221206-SS0I-WQ5T-QDS5-BPHF6TL14XQ9-low.svgFigure 6-11 WDO VOL vs I sink, VDD = 1.5 V
GUID-20221206-SS0I-Z5WR-WHTP-M8PLTQHJNHZQ-low.svgFigure 6-13 WDO VOL vs I sink, VDD = 3.3 V
GUID-20221206-SS0I-CVPT-8DZ2-M0D4V8TMXCH1-low.svgFigure 6-15 WDO VOH vs I source, VDD = 2.0 V
GUID-20221206-SS0I-SFZF-QFBR-M8FTBCH1CLTF-low.svgFigure 6-17 WDO VOH vs I source, VDD = 6.0 V