SLVSE31C
January 2018 – July 2018
TPSM84209
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Application
Efficiency vs Output Current
4
Revision History
5
Pin Configuration and Functions
Pin 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 (VIN = 5 V)
6.7
Typical Characteristics (VIN = 12 V)
6.8
Typical Characteristics (VIN = 24 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjusting the Output Voltage
7.3.2
Input Capacitor Selection
7.3.3
Undervoltage Lockout (UVLO)
7.3.4
Output Capacitor Selection
7.3.5
Feed-Forward Capacitor
7.3.6
Operating Range
7.3.7
Output Current Rating
7.3.8
Enable (EN)
7.3.9
Internal Soft Start
7.3.10
Safe Start-Up Into Prebiased Outputs
7.3.11
Light Load Efficiency / Eco-Mode
7.3.12
Voltage Dropout
7.3.13
Overcurrent Protection
7.3.14
Output Overvoltage Protection (OVP)
7.3.15
Thermal Performance
7.3.16
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Eco-Mode Operation
7.4.3
Shutdown Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Input Capacitors
8.2.2.4
Output Capacitors
8.2.2.5
Enable Control
8.2.3
Application Waveforms
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
EMI
10.3.1
EMI Plots
10.4
Package Specifications
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Custom Design With WEBENCH® Tools
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
12.1
Tape and Reel Information
1
Features
Complete Integrated Power Solution Allows
Small Footprint, Low-Profile Design
4.5-mm × 4-mm × 2-mm QFN Package
Wide-Output Voltage Range (1.2 V to 6 V)
Fixed Switching Frequency (750 kHz)
Advanced Eco-mode™ for Light Load Efficiency
Programmable Undervoltage Lockout (UVLO)
Overtemperature Thermal Shutdown Protection
Overcurrent Protection (Hiccup Mode)
Safe Prebias Output Start-Up
Operating IC Junction Range: –40°C to +125°C
Operating Ambient Range: –40°C to +85°C
Enhanced Thermal Performance: 29.5°C/W
Meets EN55011 Radiated EMI Standards
– Integrated Shielded Inductor
Create a Custom Design Using the TPSM84209 With the
WEBENCH® Power Designer