TPS54478RTET The Texas Instruments TPS54478RTET is a 4A synchronous step-down DC DC switching regulator. It features an adjustable output and operates with an input voltage from 2.95V to 6V.
Mfr Part #:

TPS54478RTET

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS54478RTET is a 4A synchronous step-down DC DC switching regulator. It features an adjustable output and operates with an input voltage from 2.95V to 6V.
✓ Total Stock: 350 pcs
$ Price Range: $1.63

TPS54478RTET Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
350 pcs
350 pcs On Request 1 On Request On Request 11+ On Request On Request

TPS54478RTET 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
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
Voltage Reference

TPS54478RTET Description

Short technical summary and product information.

The Texas Instruments TPS54478RTET is a highly integrated synchronous step-down DC DC switching regulator designed for power management applications. It offers a robust solution with a maximum output current of 4A and an input voltage range of 2.95V to 6V.

 

This regulator operates in buck topology and features synchronous rectification for high efficiency. The output voltage is adjustable, providing design flexibility. Key electrical specifications include a switching frequency range from 200kHz to 2MHz and a typical quiescent current of 0.000525A. The device includes features such as Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, and Soft Start.

 

Packaged in a 16-WQFN (3x3mm) surface-mount package, the TPS54478RTET is suitable for space-constrained designs. It operates over a wide temperature range of -40°C to 150°C (TJ). The device also incorporates safety features like cycle-by-cycle current limit and hiccup current protection.

 

This component is ideal for various power supply designs requiring efficient voltage conversion. Its adjustable output and synchronous rectification make it a versatile choice for applications needing reliable power delivery.

TPS54478RTET Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: Texas Instruments TPS54478RTET Synchronous Step-Down Converter
Subcategory: Buck Converter

TPS54478RTET Compliance

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

TPS54478RTET Estimated Pricing

Qty Low High
1+ $1.63 $1.63

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

TPS54478RTET Features

  • 4A maximum output current.
  • 2.95V to 6V input voltage range.
  • Adjustable output voltage.
  • Synchronous rectification for efficiency.
  • 200kHz to 2MHz switching frequency.

TPS54478RTET Applications

  • Power management applications.
  • Efficient voltage conversion.
  • Space-constrained designs.
  • Reliable power delivery.

TPS54478RTET FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS54478RTET?

The input voltage range is 2.95V minimum to 6V maximum.

What is the package type of the TPS54478RTET?

The device is housed in a 16-WQFN Exposed Pad package (3x3 mm).

What is the operating temperature range?

The operating junction temperature range is -40°C to 150°C.

What is the maximum output current?

4A.

What is the switching frequency range?

200kHz to 2MHz.

Does the device have synchronous rectification?

Yes, it features a synchronous rectifier.

What output type does the TPS54478RTET provide?

Adjustable output.

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