SBVS442A
December 2022 – October 2025
TPS748A
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: IOUT = 50mA
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Enable and Shutdown
6.3.2
Active Discharge
6.3.3
Power-Good Output (PG)
6.3.4
Internal Current Limit
6.3.5
Thermal Shutdown Protection (TSD)
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Dropout Operation
6.4.3
Disabled
7
Application and Implementation
7.1
Application Information
7.1.1
Input, Output, and Bias Capacitor Requirements
7.1.2
Dropout Voltage
7.1.3
Output Noise
7.1.4
Estimating Junction Temperature
7.1.5
Soft Start, Sequencing, and Inrush Current
7.1.6
Power-Good Operation
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curve
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Board Layout
7.4.1.2
DSQ Package—High CTE Mold Compound
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
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
Data Sheet
TPS748A 1.5A, Low-Dropout Linear Regulator With Programmable Soft-Start