SLVSIF3A
February 2025 – April 2026
TPS561300
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
Fixed-Frequency PWM Control
6.3.2
Pulse Frequency Mode
6.3.3
Error Amplifier
6.3.4
Slope Compensation and Output Current
6.3.5
Enable and Adjusting Undervoltage Lockout
6.3.6
Safe Start-Up into Prebiased Outputs
6.3.7
Voltage Reference
6.3.8
Adjusting Output Voltage
6.3.9
Internal Soft Start
6.3.10
Bootstrap Voltage (BOOT)
6.3.11
Overcurrent Protection
6.3.11.1
High-Side MOSFET Overcurrent Protection
6.3.11.2
Low-Side MOSFET Overcurrent Protection
6.3.12
Spread Spectrum
6.3.13
Output Overvoltage Protection (OVP)
6.3.14
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Eco-mode Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
TPS561300 5V to 30V Input, 5V Output Converter
7.2.2
Design Requirements
7.2.3
Detailed Design Procedure
7.2.3.1
Input Capacitor Selection
7.2.3.2
Bootstrap Capacitor Selection
7.2.3.3
Output Voltage Setpoint
7.2.3.4
Undervoltage Lockout Setpoint
7.2.3.5
Inductor Selection
7.2.3.6
Output Capacitor Selection
7.2.3.7
Feed-Forward Capacitor
7.2.4
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
Third-Party Products Disclaimer
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDC|6
MPDS124I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsif3a_oa
Data Sheet
TPS561300 4.5V to 30V, 1A, EMI-Friendly, Synchronous Step-Down Converter