ZHCSIE8C
June 2018 – October 2020
LMR33630-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
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
Timing Characteristics
6.7
System Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power-Good Flag Output
7.3.2
Enable and Start-up
7.3.3
Current Limit and Short Circuit
7.3.4
Undervoltage Lockout and Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Auto Mode
7.4.2
Dropout
7.4.3
Minimum Switch On-Time
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
Custom Design With WEBENCH® Tools
8.2.2.2
Choosing the Switching Frequency
8.2.2.3
Setting the Output Voltage
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor Selection
8.2.2.6
Input Capacitor Selection
8.2.2.7
CBOOT
8.2.2.8
VCC
8.2.2.9
CFF Selection
8.2.2.10
External UVLO
8.2.2.11
Maximum Ambient Temperature
8.2.3
Application Curves
8.3
What to Do and What Not to Do
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Ground and Thermal Considerations
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
支持资源
11.4
接收文档更新通知
11.5
Trademarks
11.6
静电放电警告
11.7
术语表
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
RNX|12
散热焊盘机械数据 (封装 | 引脚)
RNX|12
QFND597B
订购信息
zhcsie8c_oa
zhcsie8c_pm
1
特性
符合面向汽车应用的 AEC-Q100 标准:
温度等级 1:–40°C 至 +125°C,T
A
提供功能安全
可帮助进行功能安全系统设计的文档
专用于条件严苛的汽车应用
输入电压范围:3.8V 至 36V
输出电压范围:1V 至 24V
输出电流:3A
75mΩ/50mΩ R
DS-ON
功率 MOSFET
峰值电流模式控制
最短导通时间很短,只有 68ns
频率:400kHz、1.4MHz、2.1MHz
集成补偿网络
低
EMI
和开关噪声
HotRod™
封装
并行输入电流路径
可在所有负载下进行高效电源转换
峰值效率 > 95%
低至 5µA 的关断静态电流
低至 25µA 的工作静态电流
使用 LMR33630-Q1 并借助
WEBENCH®
Power Designer
创建定制设计方案