SLVSDG7A
April 2016 – April 2021
TPS54202H
PRODUCTION DATA
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
Timing Requirements
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
Pulse Skip Mode
7.3.3
Error Amplifier
7.3.4
Slope Compensation and Output Current
7.3.5
Device Enable
7.3.6
Adjusting Under Voltage Lockout
7.3.7
Safe Startup into Pre-Biased Outputs
7.3.8
Voltage Reference
7.3.9
Adjusting Output Voltage
7.3.10
Internal Soft-Start
7.3.11
Bootstrap Voltage (BOOT)
7.3.12
Overcurrent Protection
7.3.12.1
High-Side MOSFET Overcurrent Protection
7.3.12.2
Low-Side MOSFET Overcurrent Protection
7.3.13
Output Overvoltage Protection (OVP)
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Eco-mode Operation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
TPS54202H 8-V to 28-V Input, 5-V Output Converter
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.3.1
Input Capacitor Selection
8.2.3.2
Bootstrap Capacitor Selection
8.2.3.3
Output Voltage Set Point
8.2.3.4
Enable Pin Setup
8.2.3.5
Output Filter Components
8.2.3.5.1
Inductor Selection
8.2.3.5.2
Output Capacitor Selection
8.2.3.5.3
Feed-Forward Capacitor
8.2.4
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDC|6
MPDS124I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsdg7a_oa
slvsdg7a_pm
2
Applications
12-V, 24-V distributed power-bus supply
Industry application
White goods
Consumer application
Audio
STB, DTV
Printer