ZHCSCB4C march   2014  – march 2021 TPS3700-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 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 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Timing Diagram
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Inputs (INA+, INB–)
      2. 7.3.2 Outputs (OUTA, OUTB)
      3. 7.3.3 Window Voltage Detector
      4. 7.3.4 Immunity to Input Terminal Voltage Transients
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 VPULLUP to a Voltage Other Than VDD
      2. 8.1.2 Monitoring VDD
      3. 8.1.3 Monitoring a Voltage Other Than VDD
      4. 8.1.4 Monitoring Overvoltage and Undervoltage for Separate Rails
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Input Supply Capacitor
        2. 8.2.1.2 Input Capacitors
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Trademarks
    3. 11.3 静电放电警告
    4. 11.4 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

7.1 Overview

The TPS3700-Q1 device combines two comparators for overvoltage and undervoltage detection. The TPS3700-Q1 device is a wide-supply voltage range (1.8 to 18 V) device with a high-accuracy rising input threshold of 400 mV (1% over temperature) and built-in hysteresis. The outputs are also rated to 18 V and can sink up to 40 mA.

The TPS3700-Q1 device is designed to assert the output signals, as shown in Table 7-1. Each input terminal can be set to monitor any voltage above 0.4 V using an external resistor divider network. With the use of two input terminals of different polarities, the TPS3700-Q1 device forms a window voltage detector. Broad voltage thresholds can be supported that allow the device to be used in a wide array of applications.

Table 7-1 TPS3700-Q1 Truth Table
CONDITIONOUTPUTSTATUS
INA+ > VIT+OUTA highOutput A not asserted
INA+ < VIT–OUTA lowOutput A asserted
INB– > VIT+OUTB lowOutput B asserted
INB– < VIT–OUTB highOutput B not asserted
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