JAJSHQ7A July   2019  – September 2019 TPS3870-Q1

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      過電圧検出機能を内蔵
      2.      過電圧精度の標準的な分散
  4. 4 改訂履歴
  5. 5 概要（続き）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
    1.     Pin Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 VDD
      2. 9.3.2 SENSE
      3. 9.3.3 RESET
      4. 9.3.4 Capacitor Time (CT)
      5. 9.3.5 Manual Reset (MR)
    4. 9.4 Device Functional Modes
      1. 9.4.1 Normal Operation (VDD > VDD(MIN))
      2. 9.4.2 Undervoltage Lockout (VPOR < VDD < UVLO)
      3. 9.4.3 Power-On Reset (VDD < VPOR)
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Voltage Threshold Accuracy
      2. 10.1.2 CT Reset Time Delay
        1. 10.1.2.1 Factory-Programmed Reset Delay Timing
        2. 10.1.2.2 Programmable Reset Delay-Timing
      3. 10.1.3 RESET Latch Mode
      4. 10.1.4 Adjustable Voltage Thresholds
      5. 10.1.5 Immunity to SENSE Pin Voltage Transients
        1. 10.1.5.1 Hysteresis
    2. 10.2 Typical Application
      1. 10.2.1 Design 1: RESET Latch Mode
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application Curves
  11. 11Power Supply Recommendations
    1. 11.1 Power Supply Guidelines
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 デバイスの項目表記
    2. 13.2 ドキュメントのサポート
      1. 13.2.1 評価基板
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 サポート・リソース
    5. 13.5 商標
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 Glossary
  14. 14メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

10.1.2.1 Factory-Programmed Reset Delay Timing

To use the factory-programmed timing options, the CT pin must either be left unconnected or pulled up to VDD through a 10 kΩ pull-up resistor. Using these options enables a high-precision reset delay timing, as shown in Table 3.

Table 3. Reset Delay Time for Factory-Programmed Reset Delay Timing

VARIANT RESET DELAY TIME (tD) VALUE
CT = Capacitor to GND CT = Floating CT = 10 kΩ to VDD
TPS3870J Programmable tD 10 200 ms
TPS3870K Programmable tD 1 20 ms
TPS3870L Programmable tD 5 100 ms
TPS3870M N/A 50 50 µs