SNVSA49B
january 2015 – june 2023
LV2862
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Continuous Conduction Mode
7.3.2
Fixed Frequency PWM Control
7.3.3
Eco-mode
7.3.4
Bootstrap Voltage (CB)
7.3.5
Enable (SHDN) and VIN Undervoltage Lockout (UVLO)
7.3.6
Setting the Output Voltage
7.3.7
Current Limit
7.3.8
Thermal Shutdown
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.1.1
Design Guide – Step By Step Design Procedure
8.2.2
Detailed Design Procedure
8.2.2.1
Selecting the Switching Frequency
8.2.2.2
Output Inductor Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
Schottky Diode Selection
8.2.2.5
Input Capacitor Selection
8.2.2.5.1
Bootstrap Capacitor Selection
8.2.2.5.1.1
Typical Application Circuits
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDC|6
MPDS124I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsa49b_oa
snvsa49b_pm
9
Device and Documentation Support