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TPS54331 The Texas Instruments TPS54331 is a 3A, 28V input DC/DC switching regulator. It features an adjustable output voltage down to 0.8V and a fixed switching frequency of 570kHz.
Mfr Part #:

TPS54331

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS54331 is a 3A, 28V input DC/DC switching regulator. It features an adjustable output voltage down to 0.8V and a fixed switching frequency of 570kHz.
✓ Total Stock: 35 pcs

TPS54331 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
35 pcs
On Request
35 pcs On Request 1 On Request On Request 10+ On Request On Request
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TPS54331 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Input Voltage
Mounting Type
Operating Temperature
Output Current
Output Voltage
Package / Case
Quiescent Current
SVHC Present
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TPS54331 Description

Short technical summary and product information.

The Texas Instruments TPS54331 is a 3-A, 28-V input, non-synchronous buck DC/DC converter. It integrates a low RDS(on) high-side MOSFET, supporting up to 3A continuous output current. The device features an adjustable output voltage down to 0.8V and a fixed switching frequency of 570kHz.

 

Designed for efficiency, the TPS54331 includes a pulse-skipping Eco-mode™ control for high efficiency at light loads. It also offers a typical 1mA shutdown quiescent current, making it suitable for battery-powered applications. Protection features include cycle-by-cycle current limit, frequency foldback, and thermal shutdown.

 

The TPS54331 is available in an easy-to-use SOIC8 package, optimized for thermal performance. Its input voltage range is 3.5V to 28V, and it supports adjustable slow-start to limit inrush currents and programmable UVLO thresholds.

 

Applications include consumer electronics like set-top boxes and LCD displays, as well as industrial power supplies and car audio systems. It is qualified for automotive applications.

TPS54331 Quick Information

Product Type: DC/DC Switching Regulator
Series: SWIFT
Canonical Name: Texas Instruments TPS54331 DC/DC Switching Regulator
Subcategory: Step-Down Converter

TPS54331 Compliance

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

TPS54331 Features

  • 3A continuous output current capability.
  • Wide 3.5V to 28V input voltage range.
  • Adjustable output voltage down to 0.8V.
  • Fixed 570kHz switching frequency.
  • High efficiency with Eco-mode control.

TPS54331 Applications

  • Suitable for consumer electronics.
  • Used in automotive applications.
  • Powers industrial systems.
  • Ideal for car audio supplies.

TPS54331 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS54331?

The input voltage range is 3.5V to 28V.

What is the maximum output current of the TPS54331?

The TPS54331 supports up to 3A continuous output current.

What is the minimum adjustable output voltage for the TPS54331?

The output voltage can be adjusted down to 0.8V.

What is the switching frequency of the TPS54331?

The TPS54331 has a fixed switching frequency of 570kHz.

What is the typical shutdown quiescent current for the TPS54331?

The typical shutdown quiescent current is 1mA.

What is the operating temperature range for the TPS54331?

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

What package type is the TPS54331 available in?

The TPS54331 is available in an SOIC8 package.

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