ZHCSLG2B September 2021 – August 2022 LM74722-Q1
PRODUCTION DATA
- 1 特性
- 2 应用
- 3 说明
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
- 7 Parameter Measurement Information
- 8 Detailed Description
-
9 Application and Implementation
- 9.1 Application Information
- 9.2
Typical 12-V Reverse Battery Protection Application
- 9.2.1 Design Requirements for 12-V Battery Protection
- 9.2.2
Detailed Design Procedure
- 9.2.2.1 Design Considerations
- 9.2.2.2 Boost Converter Components (C2, C3, L1)
- 9.2.2.3 Input and Output Capacitance
- 9.2.2.4 Hold-Up Capacitance
- 9.2.2.5 Overvoltage Protection and Battery Monitor
- 9.2.2.6 MOSFET Selection: Blocking MOSFET Q1
- 9.2.2.7 MOSFET Selection: Load Disconnect MOSFET Q2
- 9.2.2.8 TVS Selection
- 9.2.3 Application Curves
- 9.3 What to Do and What Not to Do
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
11.2 Layout Example
Figure 11-1 LM74722-Q1 Layout Example