Manufacturer Part Number
TPS54540DDAR
Manufacturer
Texas Instruments
Introduction
High-efficiency step-down (buck) converter for power management applications
Product Features and Performance
Eco-Mode™ for light load efficiency
Adjustable output voltage
Single output step-down (buck) topology
Capable of delivering up to 5A current
Broad input voltage range adaptable for various applications
Frequency switching range from 100kHz to 2.5MHz
Operational temperature range from -40°C to 150°C
Surface mount package for compact PCB design
Product Advantages
High efficiency at light loads with Eco-Mode™
Flexible power solution with a wide input voltage range
Supports a broad range of output voltage requirements
Key Technical Parameters
Input Voltage (Min): 4.5V
Input Voltage (Max): 42V
Output Voltage (Min): 0.8V
Output Voltage (Max): 41.1V
Current Output: 5A
Frequency - Switching: 100kHz to 2.5MHz
Operating Temperature: -40°C to 150°C
Quality and Safety Features
Extended temperature range for high reliability in harsh environments
PowerSOIC package with PowerPad for improved thermal performance
No synchronous rectifier, simplifying the design
Compatibility
Suitable for a variety of applications due to its adjustable output
Application Areas
Power supplies for industrial systems
Automotive electronics
Telecommunications equipment
Networking devices
Computing systems
Product Lifecycle
Not For New Designs
May have limited availability
Alternatives or upgrades may need to be sought for new applications
Several Key Reasons to Choose This Product
Efficiency improves battery life in portable applications
Adjustable voltage supports custom and flexible design specifications
High current capability for demanding power requirements
Excellent thermal performance suitable for high temperature environments
High switching frequency allows for use of smaller external components
Robust design suitable for industrial and automotive applications