ZHCSKY8G March   2020  – May 2022 TPS7A20

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 Switching Characteristics
    7. 6.7 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 Low Output Noise
      2. 7.3.2 Smart Enable
      3. 7.3.3 Dropout Voltage
      4. 7.3.4 Foldback Current Limit
      5. 7.3.5 Undervoltage Lockout (UVLO)
      6. 7.3.6 Thermal Shutdown
      7. 7.3.7 Active Discharge
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Mode Comparison
      2. 7.4.2 Normal Operation
      3. 7.4.3 Dropout Operation
      4. 7.4.4 Disabled
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Recommended Capacitor Types
      2. 8.1.2 Input and Output Capacitor Requirements
      3. 8.1.3 Load Transient Response
      4. 8.1.4 Undervoltage Lockout (UVLO) Operation
      5. 8.1.5 Power Dissipation (PD)
        1. 8.1.5.1 Estimating Junction Temperature
        2. 8.1.5.2 Recommended Area for Continuous Operation
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      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 Examples
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Mechanical Data

封装选项

机械数据 (封装 | 引脚)
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订购信息

1 特性

  • 低输出电压噪声：7μVRMS
    • 无需噪声旁路电容
  • 高 PSRR：1 kHz 时为 95 dB
  • 超低 IQ：6.5 μA
  • 输入电压范围：1.6V 至 6.0V
  • 输出电压范围：0.8V 至 5.5V
  • 输出电压容差：±1.5%（最大值）
  • 超低压降：
    • 在 300 mA 下为 140 mV（最大值）(VOUT = 3.3V)
    • 在 300 mA 下为 145 mV（最大值）（VOUT = 3.3V，DBV）
  • 低浪涌电流
  • 智能使能端下拉
  • 与最低 1 µF 的陶瓷输出电容搭配使用可保持稳定
  • 封装：
    • 1mm × 1mm X2SON
    • 0.616mm × 0.616mm DSBGA
    • 2.90mm × 1.60mm SOT23-5