ZHCSO90A november   2022  – april 2023 TPS36-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 器件比较
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Timing Diagrams
    9. 7.9 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Voltage Supervisor
      2. 8.3.2 Window Watchdog Timer
        1. 8.3.2.1 tWC (Close Window) Timer
        2. 8.3.2.2 tWO (Open Window) Timer
        3. 8.3.2.3 Watchdog Enable Disable Operation
        4. 8.3.2.4 tSD Watchdog Start Up Delay
        5. 8.3.2.5 SET Pin Behavior
      3. 8.3.3 Manual RESET
      4. 8.3.4 RESET and WDO Output
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 CRST Delay
        1. 9.1.1.1 Factory-Programmed Reset Delay Timing
        2. 9.1.1.2 Adjustable Capacitor Timing
      2. 9.1.2 Watchdog Window Functionality
        1. 9.1.2.1 Factory-Programmed watchdog Timing
        2. 9.1.2.2 Adjustable Capacitor Timing
    2. 9.2 Typical Applications
      1. 9.2.1 Design 1: Monitoring Microcontroller Supply and Watchdog During Operational and Sleep Modes
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Setting Voltage Threshold
          2. 9.2.1.2.2 Determining Window Timings During Operation and Sleep Modes
          3. 9.2.1.2.3 Meeting the Minimum Reset Delay
          4. 9.2.1.2.4 Setting the Watchdog Window
          5. 9.2.1.2.5 Calculating the RESET Pullup Resistor
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 静电放电警告
    5. 10.5 术语表
  12. 11Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.7 Switching Characteristics

At 1.04 V ≤ VDD ≤ 6 V, MR = Open, RESET pull-up resistor (Rpull-up) = 100 kΩ to VDD, WDO pull-up resistor (Rpull-up) = 100 kΩ to VDD, output RESET / WDO load (CLOAD) = 10 pF and over operating free-air temperature range –40℃ to 125℃, unless otherwise noted. VDD ramp rate ≤ 1 V/µs. Typical values are at TA = 25℃
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
tSTRT Startup delay(4)
 		 500 µs
tP_HL RESET detect delay for VDD falling below VIT– VDD : (VIT+ + 10%) to (VIT– – 10%)(1) 30 50 µs
tSD Watchdog startup delay Orderable part number TPS36xA, TPS36xG 0 ms
Orderable part number TPS36xB, TPS36xH 180 200 220
Orderable part number TPS36xC, TPS36xI 450 500 550
Orderable part number TPS36xD, TPS36xJ 0.9 1 1.1 s
Orderable part number TPS36xE, TPS36xK 4.5 5 5.5
Orderable part number TPS36xF, TPS36xL 9 10 11
tD Reset time delay (3) Orderable part number TPS36xxxxxxB 1.6 2 2.4 ms
Orderable part number TPS36xxxxxxC 9 10 11 ms
Orderable part number TPS36xxxxxxD 22.5 25 27.5 ms
Orderable part number TPS36xxxxxxE 45 50 55 ms
Orderable part number TPS36xxxxxxF 90 100 110 ms
Orderable part number TPS36xxxxxxG 180 200 220 ms
Orderable part number TPS36xxxxxxH 0.9 1 1.1 s
Orderable part number TPS36xxxxxxI 9 10 11 s
tWDO Watchdog timeout delay tD s
tMR_RES Propagation delay from MR low to reset assertion VDD ≥ VIT– + 0.2 V,
MR = VMR_H to VMR_L		 100 ns
tMR_tD Delay from MR  release to reset deassert VDD = 3.3 V,
MR = VMR_L to VMR_H  		 tD s
(1) tP_HL measured from threshold trip point (VIT–) to RESET assert. VIT+ = VIT– + VHYS
(2) Specified by design parameter. When VDD starts from less than the specified minimum VDD and then exceeds VIT+, reset is deasserted after the startup delay (tSTRT) + tD delay.
(3) VDD voltage transitions from (VIT– - 10%) to (VIT– + 10%)
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