TPS54317RHFR vs TPS54821RHLR

This in-depth comparison of the TPS54317RHFR and TPS54821RHLR 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

TPS54317RHFR

Texas Instruments

Lifecycle
Active
Stock
7026 PCS
Package
VQFN-24
Series
PMIC - Voltage Regulators - DC DC Switching Regulators
Part B

TPS54821RHLR

Texas Instruments

Lifecycle
Active
Stock
3280 PCS
Package
VQFN-14
Series
PMIC - Voltage Regulators - DC DC Switching Regulators

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification TPS54317RHFR TPS54821RHLR
Series SWIFT™ SWIFT™
Part Status Active Active
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck Buck
Output Type Adjustable Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 3V 4.5V
Voltage - Input (Max) 6V 17V
Voltage - Output (Min/Fixed) 0.891V 0.6V
Voltage - Output (Max) 3.3V 15V
Current - Output 3A 8A
Frequency - Switching 350kHz, 550kHz 200kHz ~ 1.6MHz
Synchronous Rectifier Yes Yes
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount