SLUSBG4B
March 2013 – August 2021
TPS53511
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation
7.3.2
PWM Frequency and Adaptive On-Time Control
7.3.3
Soft Start and Pre-Biased Soft-Start Function
7.3.4
Power Good
7.3.5
Output Discharge Control
7.3.6
Current Protection
7.3.7
Overvoltage/Undervoltage Protection
7.3.8
UVLO Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Light Load Mode Control
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Output Inductor Selection
8.2.2.2
Output Capacitor Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Bootstrap Capacitor Selection
8.2.2.5
VREG5 Capacitor Selection
8.2.2.6
Output Voltage Setting Resistors Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Considerations
10.1.1
Thermal Information
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)
RGT|16
MPQF119H
Thermal pad, mechanical data (Package|Pins)
RGT|16
QFND098S
Orderable Information
slusbg4b_oa
slusbg4b_pm
8.2.3
Application Curves
Figure 8-2
1.05-V Output Voltage vs. Output Current
Figure 8-4
1.05-V, 0-A to 3-A Load Transient Response
Figure 8-6
Efficiency vs. Output Current
Figure 8-8
Switching Frequency vs. Input Voltage
Figure 8-10
Output Voltage Ripple
Figure 8-3
1.05-V Output Voltage vs. Input Voltage
Figure 8-5
Start-Up
Figure 8-7
Light-Load Efficiency vs. Output Current
Figure 8-9
Switching Frequency vs. Output Current
Figure 8-11
Input Voltage Ripple