SLUSFG8
June 2024
TPS562243
,
TPS562246
PRODUCTION DATA
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
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Adaptive On-Time Control and PWM Operation
6.3.2
Eco-mode Control
6.3.3
Soft Start and Prebiased Soft Start
6.3.4
Large Duty Operation
6.3.5
Current Protection
6.3.6
Enable Circuit
6.3.7
Undervoltage Lockout (UVLO) Protection
6.3.8
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Eco-mode Operation
6.4.2
FCCM Mode Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Custom Design With WEBENCH® Tools
7.2.2.2
Output Voltage Resistors Selection
7.2.2.3
Output Filter Selection
7.2.2.4
Input Capacitor Selection
7.2.2.5
Bootstrap Capacitor Selection
7.2.3
Application Curves
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
Device Support
8.1.1
Development Support
8.1.1.1
Custom Design With WEBENCH® Tools
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
7.2.3
Application Curves
Figure 7-2
TPS562243 Output Voltage Ripple With 0.01A Loading
Figure 7-4
TPS562243 Output Voltage Ripple With 2A Loading
Figure 7-6
TPS562243 Enable On With 2A Loading
Figure 7-8
TPS562246 Enable On With 2A Loading
Figure 7-10
TPS562243 Power On With 2A Loading
Figure 7-12
TPS562246 Power On With 2A Loading
Figure 7-14
TPS562243 Load Transient With 0A to 2A
Figure 7-16
TPS562243 Normal Operation to Output Hardshort
Figure 7-3
TPS562246 Output Voltage Ripple With 0.01A Loading
Figure 7-5
TPS562246 Output Voltage Ripple With 2A Loading
Figure 7-7
TPS562243 Enable Off With 2A Loading
Figure 7-9
TPS562246 Enable Off With 2A Loading
Figure 7-11
TPS562243 Power Off With 2A Loading
Figure 7-13
TPS562246 Power Off With 2A Loading
Figure 7-15
TPS562246 Load Transient With 0A to 2A
Figure 7-17
TPS562246 Normal Operation to Output Hardshort