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TPS7B4260-Q1 Automotive, 300mA, 40V, Voltage-Tracking LDO With 6mV Tracking Tolerance
SBVS444
January 2025
TPS7B4260-Q1
ADVANCE INFORMATION
CONTENTS
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TPS7B4260-Q1 Automotive, 300mA, 40V, Voltage-Tracking LDO With 6mV Tracking Tolerance
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
Tracker Output Voltage (VOUT)
6.3.1.1
Output Voltage Equal to Reference Voltage
6.3.1.2
Output Voltage Less Than the Reference Voltage
6.3.1.3
Output Voltage Larger than the Reference Voltage
6.3.2
Reverse Current Protection
6.3.3
Undervoltage Lockout
6.3.4
Thermal Protection
6.3.5
Current Limit
6.3.6
Output Short to Battery
6.3.7
Tracking Regulator With an Enable Circuit
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Dropout Operation
6.4.3
Operation With VIN < 3.3V
6.4.4
Disable With ADJ/EN Control
7
Application and Implementation
7.1
Application Information
7.1.1
Dropout Voltage
7.1.2
Reverse Current
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input and Output Capacitor Selection
7.2.2.2
Feedback Resistor Selection
7.2.2.3
Feedforward Capacitor
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Package Mounting
7.4.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
7.4.1.3
Power Dissipation and Thermal Considerations
7.4.1.4
Thermal Performance Versus Copper Area
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
10.1
Mechanical Data
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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TPS7B4260-Q1 Automotive, 300mA, 40V, Voltage-Tracking LDO With 6mV Tracking Tolerance
