SLVS752D
November 2007 – April 2026
TPS5420-Q1
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
Oscillator Frequency
6.3.2
Voltage Reference
6.3.3
Enable (ENA) and Internal Slow Start
6.3.4
Undervoltage Lockout (UVLO)
6.3.5
Boost Capacitor (BOOT)
6.3.6
Output Feedback (VSENSE)
6.3.7
Internal Compensation
6.3.8
Voltage Feed Forward
6.3.9
Pulse-Width-Modulation (PWM) Control
6.3.10
Overcurrent Limiting
6.3.11
Overvoltage Protection (OVP)
6.3.12
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Minimum Input Voltage
6.4.2
ENA Control
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Application Circuits
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.2.1
Custom Design With WEBENCH® Tools
7.2.1.2.2
Switching Frequency
7.2.1.2.3
Input Capacitors
7.2.1.2.4
Output Filter Components
7.2.1.2.4.1
Inductor Selection
7.2.1.2.4.2
Capacitor Selection
44
45
7.2.1.2.5
Output Voltage Setpoint
7.2.1.2.6
Boot Capacitor
7.2.1.2.7
Catch Diode
7.2.1.2.8
Output Filter Component Selection
7.2.1.2.9
External Compensation Network
7.2.1.2.10
Advanced Information
7.2.1.2.10.1
Output Voltage Limitations
7.2.1.2.10.2
Internal Compensation Network
7.2.1.2.10.3
Thermal Calculations
7.2.1.3
Application Curves
7.2.2
Additional Circuits
7.2.3
Circuit Using Ceramic Output Filter Capacitors
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
PCB 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
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)
D|8
MSOI002K
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs752d_oa
slvs752d_pm
Data Sheet
TPS5420-Q1 Automotive, 2A, Wide-Input-Range Step-Down SWIFT™ Converter