ZHCSD25
October 2014
LP3990-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Handling Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Output Capacitor, Recommended Specifications
6.7
Timing Requirements
6.8
Typical Performance Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable (EN)
7.3.2
Thermal Overload Protection (TSD)
7.4
Device Functional Modes
7.4.1
Enable (EN)
7.4.2
Minimum Operating Input Voltage (VIN)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Power Dissipation and Device Operation
8.2.2.2
External Capacitors
8.2.2.3
Input Capacitor
8.2.2.4
Output Capacitor
8.2.2.5
No-Load Stability
8.2.2.6
Capacitor Characteristics
8.2.2.7
Enable Control
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
DSBGA Mounting
10.4
DSBGA Light Sensitivity
11
器件和文档支持
11.1
文档支持
11.1.1
相关文档
11.2
商标
11.3
静电放电警告
11.4
术语表
12
机械封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
YZR|4
MXBG267
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsd25_oa
4 修订历史记录
日期
修订版本
注释
2014 年 10 月
*
最初发布。