SBVS441
December 2022
TPS7B4255
PRODUCTION DATA
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
Timing Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Regulated Output (VOUT)
7.3.2
Undervoltage Lockout
7.3.3
Thermal Protection
7.3.4
Current Limit
7.3.5
VOUT Short to Battery
7.3.6
Tracking Regulator With an Enable Circuit
7.4
Device Functional Modes
7.4.1
Operation With VIN < 3 V
7.4.2
Operation With ADJ/EN Control
8
Application and Implementation
8.1
Application Information
8.1.1
Dropout Voltage
8.1.2
Reverse Current
8.1.3
Signal-Buffering LDO
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input and Output Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Package Mounting
8.4.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
8.4.1.3
Power Dissipation and Thermal Considerations
8.4.1.4
Thermal Performance Versus Copper Area
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.1.2
Development Support
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbvs441_oa
sbvs441_pm
2
Applications
Condition monitoring sensors
Motion detectors (PIR, uWave, and so forth)
Wired controls
Telemetry and RTUs
Robot sensing modules