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TPS745-Q1 Automotive, 500-mA LDO With Power-Good in Small Wettable Flank WSON Packages
SBVS355C
June 2019 – May 2022
TPS745-Q1
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TPS745-Q1 Automotive, 500-mA LDO With Power-Good in Small Wettable Flank WSON Packages
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
TPS745-Q1 Comparison
7.3.2
Undervoltage Lockout (UVLO)
7.3.3
Shutdown
7.3.4
Foldback Current Limit
7.3.5
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Adjustable Device Feedback Resistors
8.1.2
Input and Output Capacitor Selection
8.1.3
Dropout Voltage
8.1.4
Exiting Dropout
8.1.5
Reverse Current
8.1.6
Power Dissipation (PD)
8.1.7
Power-Good Function
8.1.8
Feed-Forward Capacitor (CFF)
8.1.9
Start-Up Sequencing
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Current
8.2.2.2
Thermal Dissipation
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DRB|8
MPDS118K
DRV|6
MPDS216E
Thermal pad, mechanical data (Package|Pins)
DRB|8
QFND619
DRV|6
QFND651
Orderable Information
sbvs355c_oa
sbvs355c_pm
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