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TPSM8291x 3-V to 17-V, 2-A/3-A Low-Noise and Low-Ripple Buck Power Module with Integrated Ferrite Bead Filter Compensation
SLVSGJ4C
October 2022 – July 2023
TPSM82912
,
TPSM82913
,
TPSM82913E
PRODUCTION DATA
CONTENTS
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TPSM8291x 3-V to 17-V, 2-A/3-A Low-Noise and Low-Ripple Buck Power Module with Integrated Ferrite Bead Filter Compensation
1
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Smart Config (S-CONF)
7.3.2
Device Enable (EN/SYNC)
7.3.3
Device Synchronization (EN/SYNC)
7.3.4
Spread Spectrum Modulation
7.3.5
Output Discharge
7.3.6
Undervoltage Lockout (UVLO)
7.3.7
Power-Good Output
7.3.8
Noise Reduction and Soft-Start Capacitor (NR/SS)
7.3.9
Current Limit and Short-Circuit Protection
7.3.10
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Fixed Frequency Pulse Width Modulation
7.4.2
Low Duty Cycle Operation
7.4.3
High Duty Cycle Operation (100% Duty Cycle)
7.4.4
Second Stage L-C Filter Compensation (Optional)
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
External Component Selection
8.2.2.2.1
Switching Frequency Selection
8.2.2.2.2
Output Capacitor Selection
8.2.2.2.3
Ferrite Bead Selection for Second L-C Filter
8.2.2.2.4
Input Capacitor Selection
8.2.2.2.5
Setting the Output Voltage
8.2.2.2.6
NR/SS Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Mechanical, Packaging, and Orderable Information
10.1
Tape and Reel Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RDU|28
MPQF678
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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Data Sheet
TPSM8291x 3-V to 17-V, 2-A/3-A Low-Noise and Low-Ripple Buck Power Module with Integrated Ferrite Bead Filter Compensation
