SNOSDL9
December 2024
LMG5126
ADVANCE INFORMATION
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
Timing Requirements
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Device Configuration
6.3.2
Switching Frequency and Synchronization (SYNCIN)
6.3.3
Dual Random Spread Spectrum (DRSS)
6.3.4
Operation Modes (BYPASS, DEM, FPWM)
6.4
Device Functional Modes
6.4.1
Shutdown State
7
Application and Implementation
7.1
Application Information
7.1.1
Feedback Compensation
7.2
Typical Application
7.2.1
Application
7.2.2
Design Requirements
7.2.3
Detailed Design Procedure
7.2.3.1
Determining the Duty Cycle
7.2.3.2
Timing Resistor RT
7.2.3.3
Vout Programming
7.2.3.4
Inductor Selection Lm
7.2.3.5
Output Capacitor Cout
7.2.4
Application Curves
7.2.4.1
Efficiency
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
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
10.1
Package Option Addendum
10.2
Tape and Reel Information
10.3
Mechanical Data
5.6
Timing Requirements
Over operating junction temperature range and recommended supply voltage range (unless otherwise noted)
MIN
NOM
MAX
UNIT
OVERALL DEVICE FEATURES
Minimum time low EN toggle
the time measured from EN toggle from high to low and low to high
1
µs