TPS54540DDA vs TPS5450DDAR

This in-depth comparison of the TPS54540DDA and TPS5450DDAR provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

TPS54540DDA

Texas Instruments

Lifecycle
Active
Stock
3734 PCS
Package
SOIC-8
Series
PMIC - Voltage Regulators - DC DC Switching Regulators
Part B

TPS5450DDAR

Texas Instruments

Lifecycle
Active
Stock
2693 PCS
Package
SOIC-8
Series
PMIC - Voltage Regulators - DC DC Switching Regulators

Need help validating a replacement?

Send your BOM and application constraints for technical and sourcing review.

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification TPS54540DDA TPS5450DDAR
Series Eco-Mode™ -
Part Status Not For New Designs Active
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck, Split Rail Buck
Output Type Adjustable Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 4.5V 5.5V
Voltage - Input (Max) 42V 36V
Voltage - Output (Min/Fixed) 0.8V 1.221V
Voltage - Output (Max) 41.1V 31.32V
Current - Output 5A 5A
Frequency - Switching 100kHz ~ 2.5MHz 500kHz
Synchronous Rectifier No No
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount