SBVS370E
May 2019 – June 2025
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
Device Enable (EN)
6.3.2
Undervoltage Shutdown
6.3.3
Current Limit
6.3.4
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Operation With VIN Lower Than 3 V
6.4.2
Operation With VIN Larger Than 3 V
7
Application and Implementation
7.1
Application Information
7.1.1
Power Dissipation
7.1.1.1
Estimating Junction Temperature
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input Capacitor
7.2.2.2
Output Capacitor
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
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Data Sheet
TPS7B81-Q1 Automotive, 150mA, Off-Battery, Ultra-Low I
Q
(3µA), Low-Dropout Regulator