ZHCSDO1
May 2015
LM2775
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
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Pre-Regulation
7.3.2
Input Current Limit
7.3.3
PFM Mode
7.3.4
Output Discharge
7.3.5
Thermal Shutdown
7.3.6
Undervoltage Lockout
7.4
Device Functional Modes
7.4.1
Shutdown
7.4.2
Boost Mode
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
Output Current Capability
8.2.2.2
Efficiency
8.2.2.3
Power Dissipation
8.2.2.4
Recommended Capacitor Types
8.2.2.5
Output Capacitor and Output Voltage Ripple
8.2.2.6
Input Capacitor and Input Voltage Ripple
8.2.2.7
Flying Capacitor
8.2.3
Application Curve
8.2.4
USB OTG / Mobile HDMI Power Supply
8.2.4.1
Design Requirements
8.2.4.2
Detailed Design Procedure
8.2.4.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
商标
11.2
静电放电警告
11.3
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)
DSG|8
MPDS308C
散热焊盘机械数据 (封装 | 引脚)
DSG|8
QFND141I
订购信息
zhcsdo1_oa
4 修订历史记录
日期
修订版本
注释
2015 年 5 月
*
最初发布。