ZHCSBU7B October   2013  – July 2015 TPS7B4250-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  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 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 Regulated Output (VOUT)
      2. 7.3.2 Undervoltage Shutdown
      3. 7.3.3 Thermal Protection
      4. 7.3.4 VOUT Short to Battery
      5. 7.3.5 Tracking Regulator with ENABLE Circuit
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VI < 4 V
      2. 7.4.2 Operation With ADJ/EN Control
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External Capacitors
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Package Mounting
      2. 10.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
    2. 10.2 Layout Example
    3. 10.3 Power Dissipation and Thermal Considerations
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档　
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

4 修订历史记录

Changes from A Revision (November 2013) to B Revision

  • Changed HBM ESD 分类等级，从 2 改为 3A Go
  • Changed CDM ESD 分类等级，从 C4 改为 C6Go
  • Added 引脚配置和功能部分，ESD 额定值表，特性 描述部分，器件功能模式，应用和实施部分，电源相关建议部分，布局部分，器件和文档支持部分以及机械、封装和可订购信息部分Go
  • Deleted the transient current and 107-pF capacitor for HBM table notes from the ESD Ratings table Go
  • Changed input voltage symbol from VIN to VI for the ΔVO(ΔVI) and Vdropout parameters and the output voltage symbol from VOUT to VO for the IL parameter in the Electrical Characteristics tableGo
  • Added IO and CO to the PSRR test condition in the Electrical Characteristics table Go
  • Changed the max value for Vdropout where IO = 10 mA from 250 to 265 in the Electrical Characteristics tableGo
  • Deleted the VADJ = 5 V condition for the Ground current vs Temperature graph and changed the legendGo
  • Changed the y axis units from mV to mA in the Current-limit vs Temperature graph Go
  • Added the VADJ condition statement to the Input Voltage vs Output Voltage graph and changed the y-axis from IO to VOGo
  • Changed the title of Figure 8 from Input Voltage vs Output Voltage to Reference Voltage vs Output Voltage, and changed the y-axis from IO to VO. Also added the VI condition statement to the graphGo
  • Changed the second y axis from IO to VI and removed the units in the Line TransientGo
  • Deleted the units from the second y axis in the Load TransientGo
  • Added the VADJ condition statement to the Power-supply Rejection Ratio vs Frequency graphGo
  • Added resistor-divider values to the Tracking LDO With Enable Circuit figureGo

Changes from * Revision (October 2013) to A Revision

  • Changed CDM ESD 分类等级，通篇从 C3B 改为 C4Go
  • Changed VOUT min value from –0.3 to –1 in the Absolute Maximum Ratings tableGo
  • Added transient current flow to ESD rating in the Absolute Maximum Ratings tableGo
  • Changed HBM absolute maximum rating from 2 kV to 4 kVGo
  • Deleted relevant ESR value from Recommended Operating Conditions tableGo
  • Added grater-than-or-equal-to (≥) value to VADJ/EN in condition statement of the Electrical Characteristics table Go
  • Added VADJ = 1.5 V to both test conditions for VUVLO parameter in the Electrical Characteristics tableGo
  • Changed max value for load regulation parameter from 3 to 4 in the Electrical Characteristics tableGo
  • Changed max value for the current consumption test condition where IO = 0.5 mA from 80 to 90 in the Electrical Characteristics tableGo
  • Added the Detailed Description sectionGo
  • Added the TPS7B4250 block diagramGo
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