ZHCSDV5C
July 2015 – October 2018
LM5160-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型同步降压应用电路
典型 Fly-Buck 应用电路
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
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Control Circuit
7.3.2
VCC Regulator
7.3.3
Regulation Comparator
7.3.4
Soft Start
7.3.5
Error Amplifier
7.3.6
On-Time Generator
7.3.7
Current Limit
7.3.8
N-Channel Buck Switch and Driver
7.3.9
Synchronous Rectifier
7.3.10
Enable / Undervoltage Lockout (EN/UVLO)
7.3.11
Thermal Protection
7.4
Device Functional Modes
7.4.1
Forced Pulse Width Modulation (FPWM) Mode
7.4.2
Undervoltage Detector
8
Application and Implementation
8.1
Application Information
8.1.1
Ripple Configuration
8.2
Typical Applications
8.2.1
LM5160-Q1 Synchronous Buck (10-V to 60-V Input, 5-V Output, 1.5-A Load)
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
Feedback Resistor Divider - RFB1, RFB2
8.2.1.2.3
Switching Frequency - RON
8.2.1.2.4
Inductor - L
8.2.1.2.5
Output Capacitor - COUT
8.2.1.2.6
Series Ripple Resistor - RESR
8.2.1.2.7
VCC and Bootstrap Capacitors - CVCC, CBST
8.2.1.2.8
Input Capacitor - CIN
8.2.1.2.9
Soft-Start Capacitor - CSS
8.2.1.2.10
EN/UVLO Resistors - RUV1, RUV2
8.2.1.3
Application Curves
8.2.2
LM5160-Q1 Isolated Fly-Buck (18-V to 32-V Input, 12-V, 4.5-W Isolated Output)
8.2.2.1
LM5160-Q1 Fly-Buck Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Selection of VOUT1 and Turns Ratio
8.2.2.2.2
Secondary Rectifier Diode
8.2.2.2.3
External Ripple Circuit
8.2.2.2.4
Output Capacitor - COUT2
8.2.2.3
Application Curves
8.3
Do's and Don'ts
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
器件支持
11.1.1
第三方米6体育平台手机版_好二三四免责声明
11.1.2
开发支持
11.1.2.1
使用 WEBENCH® 工具创建定制设计
11.2
文档支持
11.2.1
相关文档
11.3
接收文档更新通知
11.4
社区资源
11.5
商标
11.6
静电放电警告
11.7
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)
PWP|14
MPDS370A
散热焊盘机械数据 (封装 | 引脚)
PWP|14
PPTD287A
订购信息
zhcsdv5c_oa
zhcsdv5c_pm
6
Specifications
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