SLUSD87A
March 2018 – January 2024
LMR14010A
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Fixed Frequency PWM Control
6.3.2
Bootstrap Voltage (CB)
6.3.3
Setting the Output Voltage
6.3.4
Enable ( SHDN ) and VIN Undervoltage Lockout
6.3.5
Current Limit
6.3.6
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Continuous Conduction Mode
6.4.2
Eco-mode
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.1.1
Step-By-Step Design Procedure
7.2.2
Detailed Design Procedure
7.2.2.1
Custom Design With WEBENCH® Tools
7.2.2.2
Output Inductor Selection
7.2.2.3
Output Capacitor Selection
7.2.2.4
Schottky Diode Selection
7.2.2.5
Input Capacitor Selection
7.2.2.6
Bootstrap Capacitor Selection
7.2.3
Application Performance Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Custom Design With WEBENCH® Tools
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Data Sheet
LMR14010A 4V to 40V, 1A Step-Down Converter With High Efficiency Eco-mode