SNVSC41
November 2023
LMR36500
PRODMIX
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD (Commercial) Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
System Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable, Shutdown, and Start-up
7.3.2
Adjustable Switching Frequency (with RT)
7.3.3
Power-Good Output Operation
7.3.4
Internal LDO, VCC UVLO, and VOUT/FB Input
7.3.5
Bootstrap Voltage and VBOOT-UVLO (BOOT Terminal)
7.3.6
Output Voltage Selection
7.3.7
Soft Start and Recovery from Dropout
7.3.7.1
Soft Start
7.3.7.2
Recovery from Dropout
7.3.8
Current Limit and Short Circuit
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
7.4.3.1
CCM Mode
7.4.3.2
AUTO Mode - Light Load Operation
7.4.3.2.1
Diode Emulation
7.4.3.2.2
Frequency Reduction
7.4.3.3
FPWM Mode - Light Load Operation
7.4.3.4
Minimum On-time Operation
7.4.3.5
Dropout
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
Choosing the Switching Frequency
8.2.2.2
Setting the Output Voltage
8.2.2.2.1
VOUT / FB for Adjustable Output
8.2.2.3
Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Input Capacitor Selection
8.2.2.6
CBOOT
8.2.2.7
VCC
8.2.2.8
CFF Selection
8.2.2.9
External UVLO
8.2.2.10
Maximum Ambient Temperature
8.2.3
Application Curves
8.3
Best Design Practices
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.1.1
Ground and Thermal Considerations
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RPE|9
MPQF528A
Thermal pad, mechanical data (Package|Pins)
RPE|9
QFND682A
Orderable Information
snvsc41_oa
snvsc41_pm
6
Specifications