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LMS3635-Q1 3.5A、LMS3655-Q1 5.5A、36V 同步、400kHz 降压转换器
ZHCSGT2C
November 2016 – August 2021
LMS3635-Q1
,
LMS3655-Q1
PRODUCTION DATA
CONTENTS
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LMS3635-Q1 3.5A、LMS3655-Q1 5.5A、36V 同步、400kHz 降压转换器
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Tables
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Thermal Information (for Device Mounted on PCB)
7.6
Electrical Characteristics
7.7
System Characteristics
7.8
Timing Requirements
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.2.1
Control Scheme
8.3
Feature Description
8.3.1
RESET Flag Output
8.3.2
Enable and Start-Up
8.3.3
Soft-Start Function
8.3.4
Current Limit
8.3.5
Hiccup Mode
8.3.6
Synchronizing Input
8.3.7
Undervoltage Lockout (UVLO) and Thermal Shutdown (TSD)
8.3.8
Input Supply Current
8.4
Device Functional Modes
8.4.1
AUTO Mode
8.4.2
FPWM Mode
8.4.3
Dropout
8.4.4
Spread-Spectrum Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
General Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Custom Design With WEBENCH® Tools
9.2.1.2.2
External Components Selection
9.2.1.2.2.1
Input Capacitors
9.2.1.2.2.2
Output Inductors and Capacitors
9.2.1.2.2.2.1
Inductor Selection
9.2.1.2.2.2.2
Output Capacitor Selection
9.2.1.2.3
Setting the Output Voltage
9.2.1.2.4
FB for Adjustable Output
9.2.1.2.5
VCC
9.2.1.2.6
BIAS
9.2.1.2.7
CBOOT
9.2.1.2.8
Maximum Ambient Temperature
9.2.1.3
Application Curves
9.2.2
Fixed 5-V Output for USB-Type Applications
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
9.2.3
Fixed 3.3-V Output
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curves
9.2.4
6-V Adjustable Output
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
9.2.4.3
Application Curves
9.3
Do's and Don't's
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
第三方产品免责声明
12.1.2
Development Support
12.1.2.1
Custom Design With WEBENCH® Tools
12.2
Documentation Support
12.2.1
Related Documentation
12.3
接收文档更新通知
12.4
支持资源
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
术语表
13
Mechanical, Packaging, and Orderable Information
重要声明
封装选项
机械数据 (封装 | 引脚)
RNL|22
MPQF443E
散热焊盘机械数据 (封装 | 引脚)
RNL|22
QFND674
订购信息
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