SNVSBD7A
October 2019 – February 2020
LMR36510
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Efficiency versus Output Current VOUT = 5 V, 400 kHz
Simplified Schematic
4
Revision History
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
System Characteristics
6.9
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 1: Low Power 24-V, 1-A Buck Converter
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Choosing the Switching Frequency
8.2.1.2.2
Setting the Output Voltage
8.2.1.2.3
Inductor Selection
8.2.1.2.4
Output Capacitor Selection
8.2.1.2.5
Input Capacitor Selection
8.2.1.2.6
CBOOT
8.2.1.2.7
VCC
8.2.1.2.8
CFF Selection
8.2.1.2.9
External UVLO
8.2.1.2.10
Maximum Ambient Temperature
8.2.2
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
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD058I
Orderable Information
snvsbd7a_oa
7.2
Functional Block Diagram