SLUSDA9C
may 2018 – august 2023
LV3842
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed Frequency Peak Current Mode Control
8.3.2
Adjustable Output Voltage
8.3.3
Enable
8.3.4
Minimum ON-Time, Minimum OFF-Time and Frequency Foldback
8.3.5
Bootstrap Voltage
8.3.6
Overcurrent and Short-Circuit Protection
8.3.7
Soft Start
8.3.8
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
8.4.3
CCM Mode
8.4.4
Light-Load Operation (PFM Version)
8.4.5
Light-Load Operation (FPWM Version)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Output Voltage Set-Point
9.2.2.2
Inductor Selection
9.2.2.3
Output Capacitor Selection
9.2.2.4
Input Capacitor Selection
9.2.2.5
Bootstrap Capacitor
9.2.2.6
Undervoltage Lockout Set-Point
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Compact Layout for EMI Reduction
9.4.3
Feedback Resistors
9.4.4
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusda9c_oa
slusda9c_pm
7
Specifications