SNVSCO0
January 2024
LM63635C-Q1
PRODUCTION DATA
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 Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Characteristics
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
Output Voltage Selection
7.3.2
Switching Frequency Selection
7.3.2.1
Spread Spectrum Option
7.3.3
Enable and Start-Up
7.3.4
RESET Flag Output
7.3.5
Undervoltage Lockout, Thermal Shutdown, and Output Discharge
7.4
Device Functional Modes
7.4.1
Overview
7.4.2
Light Load Operation
7.4.3
Dropout Operation
7.4.4
Minimum On-Time Operation
7.4.5
Current Limit and Short-Circuit Operation
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
Inductor Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
Input Capacitor Selection
8.2.2.5
CBOOT
8.2.2.6
VCC
8.2.2.7
External UVLO
8.2.2.8
Maximum Ambient Temperature
8.2.3
Application Curves
8.2.4
EMI Performance 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
Glossary
9.7
Electrostatic Discharge Caution
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRR|12
MPSS085A
Thermal pad, mechanical data (Package|Pins)
DRR|12
PPTD366A
Orderable Information
snvsco0_oa
snvsco0_pm
9.2
Documentation Support