SBVS425B
December 2022 – June 2025
TPS748A-Q1
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
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
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)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND709
Orderable Information
sbvs425b_oa
sbvs425b_pm
Data Sheet
TPS748A-Q1 Automotive, 1.5A, Low-Dropout Linear Regulator With Programmable Soft-Start