SLUSBN5C
August 2013 – February 2026
TPS53515
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
5V LDO and VREG Start-Up
6.3.2
Enable, Soft Start, and Mode Selection
6.3.3
Frequency Selection
6.3.4
D-CAP3 Control and Mode Selection
6.3.4.1
D-CAP3™ Control Mode
6.3.4.2
Sample and Hold Circuitry
6.3.4.3
Adaptive Zero-Crossing
6.3.5
Power-Good
6.3.6
Current Sense and Overcurrent Protection
6.3.7
Overvoltage and Undervoltage Protection
6.3.8
Out-of-Bounds Operation
6.3.9
UVLO Protection
6.3.10
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Auto-Skip Eco-mode Light Load Operation
6.4.2
Forced Continuous-Conduction Mode
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Choose the Switching Frequency
7.2.2.2
Choose the Operation Mode
7.2.2.3
Choose the Inductor
7.2.2.4
Choose the Output Capacitor
7.2.2.5
Determine the Value of R1 and R2
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
7.4.3
Thermal Performance
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
Package Options
Mechanical Data (Package|Pins)
RVE|28
MPQF709
Thermal pad, mechanical data (Package|Pins)
RVE|28
QFND366A
Orderable Information
slusbn5c_oa
slusbn5c_pm
Data Sheet
TPS53515 1.5V to 18V (4.5V to 25V Bias) Input,
12A Single Synchronous Step-Down SWIFT™ Converter