SBVS439
April 2024
TPS7B91
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 Diagrams
6.3
Feature Description
6.3.1
Wide Supply Range
6.3.2
Low Quiescent Current
6.3.3
Dropout Voltage (VDO)
6.3.4
Current Limit
6.3.5
Leakage Null Control Circuit
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Dropout Operation
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
Setting VOUT for the TPS7B9101 Adjustable LDO
7.2.2.2
External Capacitor Requirements
7.2.2.3
Input and Output Capacitor Requirements
7.2.2.4
Reverse Current
7.2.2.5
Feed-Forward Capacitor (CFF)
7.2.2.6
Power Dissipation (PD)
7.2.2.7
Estimating Junction Temperature
7.2.3
Application Curves
7.3
Best Design Practices
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.1.1
Power Dissipation
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Evaluation Module
8.1.1.2
Spice Models
8.1.2
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
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbvs439_oa
sbvs439_pm
8
Device and Documentation Support