ZHCSIR2
September 2018
LM2735-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型的升压应用电路
效率与负载电流间的关系(VO = 12V)
4
修订历史记录
5
Pin Configuration and Functions
Pin 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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.1.1
Theory of Operation
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Current Limit
7.3.2
Thermal Shutdown
7.3.3
Soft Start
7.3.4
Compensation
7.4
Device Functional Modes
7.4.1
Enable Pin and Shutdown Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
LM2735X-Q1 SOT-23 Design Example 1
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
Inductor Selection
8.2.1.2.3
Input Capacitor
8.2.1.2.4
Output Capacitor
8.2.1.2.5
Setting the Output Voltage
8.2.1.3
Application Curves
8.2.2
LM2735Y-Q1 SOT-23 Design Example 2
8.2.3
LM2735X-Q1 WSON Design Example 3
8.2.4
LM2735Y-Q1 WSON Design Example 4
8.2.5
LM2735X-Q1 SOT-23 Design Example 6
8.2.6
LM2735Y-Q1 SOT-23 Design Example 7
8.2.7
LM2735X-Q1 SOT-23 Design Example 8
8.2.8
LM2735Y-Q1 SOT-23 Design Example 9
8.2.9
LM2735X-Q1 WSON Design Example 10
8.2.10
LM2735Y-Q1 WSON Design Example 11
8.2.11
LM2735X-Q1 WSON SEPIC Design Example 12
8.2.12
LM2735X-Q1 SOT-23 LED Design Example 14
8.2.13
LM2735Y-Q1 WSON FlyBack Design Example 15
8.2.14
LM2735X-Q1 SOT-23 LED Design Example 16 VRAIL > 5.5 V Application
8.2.15
LM2735X-Q1 SOT-23 LED Design Example 17 Two-Input Voltage Rail Application
8.2.16
SEPIC Converter
8.2.16.1
Detailed Design Procedure
8.2.16.1.1
SEPIC Design Guide
8.2.16.1.2
Small Ripple Approximation
8.2.16.1.3
Steady State Analysis With Loss Elements
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
WSON Package
10.2
Layout Examples
10.3
Thermal Considerations
10.3.1
Definitions
10.3.2
PCB Design With Thermal Performance in Mind
10.3.3
LM2735-Q1 Thermal Models
10.3.4
Calculating Efficiency, and Junction Temperature
10.3.4.1
Example Efficiency Calculation
10.3.5
Calculating RθJA and RΨJC
10.3.5.1
Procedure
10.3.5.2
Example From Previous Calculations
11
器件和文档支持
11.1
器件支持
11.1.1
第三方产品免责声明
11.2
使用 WEBENCH® 工具创建定制设计方案
11.3
文档支持
11.3.1
相关文档
11.4
接收文档更新通知
11.5
社区资源
11.6
商标
11.7
静电放电警告
11.8
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)
NGG|6
MPDS395
DBV|5
MPDS018S
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsir2_oa
11.3.1
相关文档
请参阅如下相关文档:
《AN-1229 SIMPLE SWITCHER ® PCB 布局指南》