SLVSGM2
March 2023
TPS548C26
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
Internal VCC LDO and Using an External Bias on VCC and VDRV Pin
7.3.2
Input Undervoltage Lockout (UVLO)
7.3.2.1
Fixed VCC_OK UVLO
7.3.2.2
Fixed VDRV UVLO
7.3.2.3
Fixed PVIN UVLO
7.3.2.4
Enable
7.3.3
Set the Output Voltage
7.3.4
Differential Remote Sense and Feedback Divider
7.3.5
Start-up and Shutdown
7.3.6
Loop Compensation
7.3.7
Set Switching Frequency and Operation Mode
7.3.8
Switching Node (SW)
7.3.9
Overcurrent Limit and Low-side Current Sense
7.3.10
Negative Overcurrent Limit
7.3.11
Zero-Crossing Detection
7.3.12
Input Overvoltage Protection
7.3.13
Output Undervoltage and Overvoltage Protection
7.3.14
Overtemperature Protection
7.3.15
Power Good
7.4
Device Functional Modes
7.4.1
Forced Continuous-Conduction Mode
7.4.2
Auto-Skip Eco-mode Light Load Operation
7.4.3
Powering the Device from a 12-V Bus
7.4.4
Powering the Device From a Split-rail Configuration
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Application
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.3.1
Inductor Selection
8.2.3.2
Input Capacitor Selection
8.2.3.3
Output Capacitor Selection
8.2.3.4
VCC and VRDV Bypass Capacitor
8.2.3.5
BOOT Capacitor Selection
8.2.3.6
PG Pullup Resistor Selection
8.2.4
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
8.4.2.1
Thermal Performance on TPS548C26 Evaluation Board
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RXX|37
MPQF618C
Thermal pad, mechanical data (Package|Pins)
RXX|37
QFND715C
Orderable Information
slvsgm2_oa
slvsgm2_pm
8.4
Layout