SLVSA23B
September 2009 – April 2026
TPS5410-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 Liming
6.3.11
Overvoltage Protection
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
Switching Frequency
7.2.1.2.2
Input Capacitors
7.2.1.2.3
Output Filter Components
7.2.1.2.3.1
Inductor Selection
7.2.1.2.3.2
Capacitor Selection
43
44
7.2.1.2.4
Output Voltage Setpoint
7.2.1.2.5
Boot Capacitor
7.2.1.2.6
Catch Diode
7.2.1.2.7
Limits of Operation
7.2.1.2.7.1
Output Voltage Limitations
7.2.1.2.7.2
Internal Compensation Network
7.2.1.2.7.3
Thermal Calculations
7.2.1.3
Application Curves
7.2.2
Additional Circuits
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.2.1
Output Filter Capacitor Selection
7.2.2.2.2
External Compensation Network
7.2.2.3
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
Documentation Support
8.1.1
Related Documentation
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
1
Features
Qualified for automotive applications
Wide input voltage range: 5.5V to 36V
Up to 1A continuous (1.2A peak) output current
High efficiency up to 95% enabled by 110mΩ integrated MOSFET switch
Wide output voltage range: adjustable down to 1.22V with 1.5% initial accuracy
Internal compensation minimizes external parts count
Fixed 500kHz switching frequency for small filter size
Improved line regulation and transient response by input voltage feed forward
System protected by over current limiting, over voltage protection and thermal shutdown
–40°C to 125°C operating junction temperature range
Available in small 8-pin SOIC package