ZHCSU12L March   2000  – December 2023 LP2982

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Output Enable
      2. 6.3.2 Dropout Voltage
      3. 6.3.3 Current Limit
      4. 6.3.4 Undervoltage Lockout (UVLO)
      5. 6.3.5 Output Pulldown
      6. 6.3.6 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Device Functional Mode Comparison
      2. 6.4.2 Normal Operation
      3. 6.4.3 Dropout Operation
      4. 6.4.4 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types
        1. 7.1.1.1 Recommended Capacitors for the Legacy Chip
        2. 7.1.1.2 Recommended Capacitors for the New Chip
      2. 7.1.2 Input and Output Capacitor Requirements
      3. 7.1.3 Noise Bypass Capacitor (CBYPASS)
      4. 7.1.4 Reverse Current
      5. 7.1.5 Power Dissipation (PD)
      6. 7.1.6 Estimating Junction Temperature
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 ON/ OFF Input Operation
      3. 7.2.3 Application Curves
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  11. 10器件和文档支持
    1. 10.1 器件命名规则
    2. 10.2 第三方产品免责声明
    3. 10.3 文档支持
      1. 10.3.1 相关文档
    4. 10.4 Receiving Notification of Documentation Updates
    5. 10.5 支持资源
    6. 10.6 商标
    7. 10.7 静电放电警告
    8. 10.8 术语表
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

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

5.3 Recommended Operating Conditions

MIN NOM MAX UNIT
VIN Supply input voltage (for legacy chip) 2.1 16 V
Supply input voltage (for new chip) 2.5 16
VIN – VOUT Input-output differential (for legacy chip) 0.7 11
Input-output differential (for new chip) 0 16
VOUT Output voltage (for new chip) 1.2 5
VON/OFF Enable voltage (for legacy chip) 0 VIN
Enable voltage (for new chip) 0 16
IOUT Output current 0 50 mA
CIN(1) Input capacitor 1 µF
COUT Output capacitor (for legacy chip)  2.2 4.7
Output capacitance (for new chip) (1) 1 2.2 200
TJ Operating junction temperature –40 125 °C