SNVSA23B
July 2014 – September 2023
LV284
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration
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
Fixed Frequency PWM Control
7.3.2
Bootstrap Voltage (CB)
7.3.3
Setting the Ouput Voltage
7.3.4
Enable (SHDN) and VIN Undervoltage Lockout
7.3.5
Current Limit
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Continuous Conduction Mode
7.4.2
Eco-mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
5 V Output Application
8.2.1.1
Design Requirements
8.2.1.1.1
Design Guide – Step By Step Design Procedure
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Output Inductor Selection
8.2.1.2.2
Output Capacitor Selection
8.2.1.2.3
Schottky Diode Selection
8.2.1.2.4
Input Capacitor Selection
8.2.1.2.5
Bootstrap Capacitor Selection
8.2.1.3
Application Performance 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
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDC|6
MPDS124I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsa23b_oa
snvsa23b_pm
Data Sheet
LV284 High-Efficiency, Wide, Input-Voltage-Range Buck Regulator