ZHCSF95C
December 2015 – February 2018
LMR23610
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
效率与负载间的关系 VIN = 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
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency Peak Current Mode Control
7.3.2
Adjustable Output Voltage
7.3.3
EN/SYNC
7.3.4
VCC, UVLO
7.3.5
Minimum ON-Time, Minimum OFF-Time and Frequency Foldback at Dropout Conditions
7.3.6
Internal Compensation and CFF
7.3.7
Bootstrap Voltage (BOOT)
7.3.8
Overcurrent and Short-Circuit Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
CCM Mode
7.4.4
Light Load Operation
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Switching Frequency
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor Selection
8.2.2.6
Feed-Forward Capacitor
8.2.2.7
Input Capacitor Selection
8.2.2.8
Bootstrap Capacitor Selection
8.2.2.9
VCC Capacitor Selection
8.2.2.10
Undervoltage Lockout Setpoint
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Compact Layout for EMI Reduction
10.1.2
Ground Plane and Thermal Considerations
10.1.3
Feedback Resistors
10.2
Layout Example
11
器件和文档支持
11.1
使用 WEBENCH® 工具创建定制设计
11.2
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD058I
订购信息
zhcsf95c_oa
zhcsf95c_pm
1
特性
4V 至 36V 输入范围
1A 持续输出电流
集成同步整流
电流模式控制
最短导通时间:60ns
400kHz 开关频率,支持 PFM 模式
与外部时钟频率同步
方便易用的内部补偿
75µA 无负载静态电流
软启动至预偏置负载
支持高占空比运行模式
精密使能输入
具有间断模式的输出短路保护
过热保护
8 引脚 HSOIC PowerPAD™封装
使用 LMR23610 并借助
WEBENCH® 电源设计器
创建定制设计方案