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TPS54540DDA The Texas Instruments TPS54540DDA is a 42V, 5A step-down DC-DC converter. It features an adjustable output and operates with a switching frequency between 100kHz and 2.5MHz.
Mfr Part #:

TPS54540DDA

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS54540DDA is a 42V, 5A step-down DC-DC converter. It features an adjustable output and operates with a switching frequency between 100kHz and 2.5MHz.
✓ Total Stock: 56,463 pcs
$ Price Range: $2.63

TPS54540DDA Available from 5 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TPS54540DDA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Package Quantity
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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TPS54540DDA Description

Short technical summary and product information.

The Texas Instruments TPS54540DDA is a versatile step-down DC-DC converter designed for power management applications. It offers a wide input voltage range from 4.5V to 42V and can deliver up to 5A of output current.

 

Key electrical characteristics include a fixed switching frequency adjustable from 100kHz to 2.5MHz, a low operating quiescent current of 146µA, and a shutdown current of 2µA. The device also features a 92mΩ high-side MOSFET and a 0.8V internal voltage reference.

 

This converter is housed in an 8-pin SO PowerPad package, suitable for surface mount applications. The operating temperature range is -40°C to 150°C (TJ).

 

The TPS54540DDA supports Eco-mode for high efficiency at light loads and includes features like adjustable UVLO voltage and hysteresis.

TPS54540DDA Quick Information

Product Type: DC-DC Switching Regulator
Series: TPS54540
Canonical Name: TPS54540DDA Step-Down DC-DC Converter
Subcategory: Step-Down

TPS54540DDA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS54540DDA Estimated Pricing

Qty Low High
1+ $2.63 $2.63

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS54540DDA Features

  • 42V input, 5A output current capability.
  • Adjustable output voltage.
  • 100kHz to 2.5MHz fixed switching frequency.
  • Low 146µA operating quiescent current.
  • 8-pin SO PowerPad package for surface mounting.

TPS54540DDA Applications

  • Power management applications.
  • Step-down voltage conversion.
  • Systems requiring adjustable output.
  • Designs needing low quiescent current.

TPS54540DDA FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS54540DDA?

The input voltage range is 4.5V to 42V.

What is the maximum output current for the TPS54540DDA?

The maximum output current is 5A.

What is the operating temperature range of the TPS54540DDA?

The operating temperature range is -40°C to 150°C (TJ).

What package type is the TPS54540DDA available in?

The TPS54540DDA is available in an 8-pin SO PowerPad package.

What is the switching frequency range for the TPS54540DDA?

The switching frequency is fixed between 100kHz and 2.5MHz.

What is the quiescent current of the TPS54540DDA?

The operating quiescent current is 146µA.

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