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TPS5431DDA The Texas Instruments TPS5431DDA is an adjustable 3A step-down DC/DC switching regulator. It operates with an input voltage range of 5.5V to 23V and a switching frequency of 500kHz.
Mfr Part #:

TPS5431DDA

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS5431DDA is an adjustable 3A step-down DC/DC switching regulator. It operates with an input voltage range of 5.5V to 23V and a switching frequency of 500kHz.
✓ Total Stock: 54,673 pcs
$ Price Range: $2.59

TPS5431DDA Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
51,657 pcs
On Request
51657 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,006 pcs
On Request
2006 pcs On Request 1 On Request On Request 1823+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
1,010 pcs
On Request
1010 pcs On Request 1 On Request On Request 08+ On Request On Request
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.

TPS5431DDA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle
Efficiency
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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TPS5431DDA Description

Short technical summary and product information.

The Texas Instruments TPS5431DDA is a highly efficient step-down (buck) DC/DC switching regulator designed for power management applications. It features a wide input voltage range from 5.5V to 23V and can deliver up to 3A of continuous output current. The adjustable output voltage can be set down to 1.23V with 1.5% initial accuracy.

 

This device operates at a fixed 500kHz switching frequency, which helps in reducing the size of external filter components. It incorporates internal compensation to minimize the external parts count. The TPS5431DDA includes integrated protection features such as overcurrent limiting, overvoltage protection, and thermal shutdown for system reliability.

 

The TPS5431DDA is available in a small, thermally enhanced 8-pin SO PowerPAD™ integrated circuit package, suitable for surface mount applications. Its operating temperature range is -40°C to 125°C (TJ), making it suitable for various environmental conditions.

TPS5431DDA Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: Texas Instruments TPS5431DDA Step-Down Converter
Subcategory: Step-Down Converters

TPS5431DDA Compliance

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

TPS5431DDA Estimated Pricing

Qty Low High
1+ $2.59 $2.59

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

TPS5431DDA Features

  • Wide input voltage range: 5.5V to 23V.
  • Up to 3A continuous output current.
  • Adjustable output voltage down to 1.23V.
  • Fixed 500kHz switching frequency.
  • Integrated protection features for reliability.

TPS5431DDA Applications

  • Powering embedded systems.
  • DC-DC conversion applications.
  • Battery-powered devices.
  • Industrial power supplies.

TPS5431DDA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output current rating of the TPS5431DDA?

The TPS5431DDA provides a continuous output current of 3A.

What is the input voltage range for the TPS5431DDA?

The input voltage range is from 5.5V to 23V.

What is the output voltage range of the TPS5431DDA?

The output voltage is adjustable from 1.23V to 20V.

What is the operating temperature range of the TPS5431DDA?

The operating temperature range is -40°C to 125°C.

What package is the TPS5431DDA available in?

The TPS5431DDA is available in an 8-SO PowerPad (8-PowerSOIC) surface-mount package.

What is the switching frequency of the TPS5431DDA?

The switching frequency is 500kHz.

Does the TPS5431DDA have an enable control?

Yes, the TPS5431DDA includes an enable control feature.

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