SLVSHB5A
October 2024 – November 2024
TPS61287
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
Enable and Start-up
6.3.2
Undervoltage Lockout (UVLO)
6.3.3
Programmable EN/UVLO
6.3.4
Switching Valley Current Limit
6.3.5
External Clock Synchronization
6.3.6
Stackable Multi-phase Operation
6.3.7
Device Functional Modes
6.3.7.1
Forced PWM Mode
6.3.7.2
Auto PFM Mode
6.3.8
Overvoltage Protection
6.3.9
Thermal Shutdown
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 Output Voltage
7.2.2.2
Inductor Selection
7.2.2.3
Bootstrap And VCC Capacitors Selection
7.2.2.4
MOSFET Selection
7.2.2.5
Input Capacitor Selection
7.2.2.6
Output Capacitor Selection
7.2.2.7
Loop Stability
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
7.4.2.1
Thermal Considerations
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
6.3
Feature Description