SLVSHH9
February 2024
TPS54KC23
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
Internal VCC LDO and Using External Bias On the VCC Pin
6.3.2
Enable
6.3.3
Adjustable Soft Start
6.3.4
Power Good
6.3.5
Output Voltage Setting
6.3.6
Remote Sense
6.3.7
D-CAP4 Control
6.3.8
Multifunction Select (MSEL) Pin
6.3.9
Low-side MOSFET Zero-Crossing
6.3.10
Current Sense and Positive Overcurrent Protection
6.3.11
Low-side MOSFET Negative Current Limit
6.3.12
Overvoltage and Undervoltage Protection
6.3.13
Output Voltage Discharge
6.3.14
UVLO Protection
6.3.15
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Auto-Skip Eco-mode Light Load Operation
6.4.2
Forced Continuous-Conduction Mode
6.4.3
Powering the Device From a Single Bus
6.4.4
Powering the Device From a Split-rail Configuration
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
Output Voltage Setting Point
7.2.2.2
Choose the Switching Frequency and the Operation Mode
7.2.2.3
Choose the Inductor
7.2.2.4
Set the Current Limit (ILIM)
7.2.2.5
Choose the Output Capacitor
7.2.2.6
RAMP Selection
7.2.2.7
Choose the Input Capacitors (CIN)
7.2.2.8
Soft-Start Capacitor (SS Pin)
7.2.2.9
EN Pin Resistor Divider
7.2.2.10
VCC Bypass Capacitor
7.2.2.11
BOOT Capacitor
7.2.2.12
RC Snubber
7.2.2.13
PG Pullup Resistor
7.2.3
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
Package Options
Mechanical Data (Package|Pins)
RZR|16
MPQF704A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvshh9_oa
slvshh9_pm
8.6
Glossary
TI Glossary
This glossary lists and explains terms, acronyms, and definitions.