SLVSD26C
April 2016 – February 2026
TPS54202
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
Timing Requirements
5.7
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 Skip Mode
6.3.3
Error Amplifier
6.3.4
Slope Compensation and Output Current
6.3.5
Enable and Adjusting Under Voltage Lockout
6.3.6
Safe Startup into Pre-Biased 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
TPS54202 8V to 28V 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 Set Point
7.2.3.4
Undervoltage Lockout Set Point
7.2.3.5
Output Filter Components
7.2.3.5.1
Inductor Selection
7.2.3.5.2
Output Capacitor Selection
7.2.3.5.3
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
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
Data Sheet
TPS54202
4.5V to 28V Input, 2A Output,
EMI Friendly
Synchronous Step-Down Converter