ZHCSSD8F april   2000  – july 2023 LP2980-ADJ

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 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 Output Enable
      2. 7.3.2 Dropout Voltage
      3. 7.3.3 Current Limit
      4. 7.3.4 Undervoltage Lockout (UVLO)
      5. 7.3.5 Output Pulldown
      6. 7.3.6 Thermal Shutdown
    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
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 External Feedback Resistors
      2. 8.1.2 Recommended Capacitor Types
        1. 8.1.2.1 Recommended Capacitors for the New Chip
        2. 8.1.2.2 Recommended Capacitors for the Legacy Chip
      3. 8.1.3 Input and Output Capacitor Requirements
      4. 8.1.4 Feed-Forward Capacitor (CFF)
      5. 8.1.5 Reverse Current
      6. 8.1.6 Power Dissipation (PD)
      7. 8.1.7 Estimating Junction Temperature
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Setting VOUT For the LP2980-ADJ LDO
        2. 8.2.2.2 ON/OFF Input Operation
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  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

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 Available Options(1)
PRODUCT VOUT
LP2980cxxxz-ADJ/NOPB

Legacy chip

 A is for higher accuracy and non-A is for standard grade.c is the accuracy specification.xxx is the package designator.z is the package quantity. X is for large quantity reel and non-X is for small quantity reel.

LP2980Axxxz-ADJ/M3

New chip

 A is for higher accuracy and non-A is for standard grade.xxx is the package designator.z is the package quantity. X is for large quantity reel and non-X is for small quantity reel.
M3 is a suffix designator for newer chip redesigns, fabricated on the latest TI process technology.
(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 at www.ti.com.
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