ZHCSOZ7A june   2022  – august 2023 TPS7B4255-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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 Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Tracker Output Voltage (VOUT)
        1. 7.3.1.1 Output Voltage Equal to the Reference Voltage
        2. 7.3.1.2 Output Voltage Less Than the Reference Voltage
      2. 7.3.2 Reverse Current Protection
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Thermal Protection
      5. 7.3.5 Current Limit
      6. 7.3.6 Output Short to Battery
      7. 7.3.7 Tracking Regulator With an Enable Circuit
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
      3. 7.4.3 Operation With VIN < 3 V
      4. 7.4.4 Disable With ADJ/EN Control
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Dropout Voltage
      2. 8.1.2 Reverse Current
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input and Output Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Package Mounting
        2. 8.4.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
        3. 8.4.1.3 Power Dissipation and Thermal Considerations
        4. 8.4.1.4 Thermal Performance Versus Copper Area
      2. 8.4.2 Layout Examples
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Device Nomenclature
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

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

9.1.1 Device Nomenclature

Table 9-1 Device Nomenclature(1)
PRODUCT VOUT
TPS7B4255QyyyRQ1

Q indicates that this device is a grade-1 device in accordance with the AEC-Q100 standard.

yyy is the package designator.

R is the packaging quantity.

Q1 indicates that this device is an automotive grade (AEC-Q100) device.
(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or visit the device product folder on www.ti.com.
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