ZHCS535M
February 2013 – October 2020
LM22679
,
LM22679-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Handling Ratings: LM22679
6.3
Handling Ratings: LM22679-Q1
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
UVLO
7.3.2
Soft-Start
7.3.3
Bootstrap Supply
7.3.4
Internal Compensation
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
Current Limit
7.4.4
Current Limit Adjustment
7.4.5
Thermal Protection
7.4.6
Duty-Cycle Limits
8
Application and Implementation
8.1
Application Information
8.1.1
Output Voltage Divider Selection
8.1.2
Power Diode
8.2
Typical Application
8.2.1
Typical Buck Regulator Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
External Components
8.2.1.2.2
Inductor
8.2.1.2.3
Input Capacitor
8.2.1.2.4
Output Capacitor
8.2.1.2.5
Bootstrap Capacitor
8.2.1.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
支持资源
11.3
接收文档更新通知
11.4
Trademarks
11.5
术语表
11.6
静电放电警告
封装选项
机械数据 (封装 | 引脚)
NDR|7
MMSF023A
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcs535m_oa
zhcs535m_pm
1
特性
推出的新产品:
LM61460 3V 至 36V、6A 低 EMI 同步转换器
宽输入电压范围:4.5V 至 42V
内部补偿电压模式控制
与低 ESR 陶瓷电容器一起工作时运行稳定
100mΩ N 沟道 MOSFET
输出电压选项:
-可调节(输出电压最低为 1.285V)
-5.0(输出电压固定为 5V)
±1.5% 反馈基准电压精度
500kHz 开关频率
–40°C 至 125°C 的工作结温范围
可调软启动
可调节电流限制
集成式自举二极管
完全支持
WEBENCH®
LM22679-Q1 采用汽车级流程制造,符合 AEC-Q100 标准
PFM(外露焊盘)封装