SLUSG06
June 2025
TPS51375L
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
PWM Operation and D-CAP3™ Control Mode
6.3.2
Remote Sense
6.3.3
Body Braking
6.3.4
5V LDO and BYP Function
6.3.5
Soft Start
6.3.6
Large Duty Operation
6.3.7
Power Good
6.3.8
Overcurrent Protection and Undervoltage Protection
6.3.9
Overvoltage Protection
6.3.10
UVLO Protection
6.3.11
Output Voltage Discharge
6.3.12
Standby Operation
6.3.13
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Advanced Eco-mode Control
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
Custom Design With WEBENCH® Tools
7.2.2.2
External Component Selection
7.2.2.2.1
Remote Sense Amplifier and Adjusting the Output Voltage
7.2.2.2.2
Inductor Selection
7.2.2.2.3
Output Capacitor Selection
7.2.2.2.4
Input Capacitor Selection
7.2.2.2.5
Bootstrap Capacitor Selection
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
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
5.6
Typical Characteristics
T
J
= –40°C to 125°C, V
IN
= 12V, unless otherwise noted.
Figure 5-1
Supply Current vs Junction Temperature
Figure 5-3
Enable On Voltage vs Junction Temperature
Figure 5-5
High-Side R
DS(on)
vs Junction Temperature
Figure 5-7
OVP Threshold vs Junction Temperature
Figure 5-9
VREF Voltage vs Junction Temperature
Figure 5-11
Valley Current Limit vs Junction Temperature
Figure 5-13
VIN UVLO Rising vs Junction Temperature
Figure 5-15
Efficiency vs Load Current,
F
SW
= 600kHz, V
OUT
= 0.77V
Figure 5-2
Shutdown Current vs Junction Temperature
Figure 5-4
Enable Off Voltage vs Junction Temperature
Figure 5-6
Low-Side R
DS(on)
vs Junction Temperature
Figure 5-8
UVP Threshold vs Junction Temperature
Figure 5-10
Discharge Resistor vs Junction Temperature
Figure 5-12
Soft-Start Time vs Junction Temperature
Figure 5-14
VIN UVLO Falling vs Junction Temperature
Figure 5-16
Switching Frequency vs Load Current, F
SW
= 600kHz