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ST1S31PUR The STMicroelectronics ST1S31PUR is an adjustable 3A step-down DC-DC switching regulator. It operates with an input voltage of 2.8V and a frequency of 1.5MHz.
Mfr Part #:

ST1S31PUR

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ST1S31PUR is an adjustable 3A step-down DC-DC switching regulator. It operates with an input voltage of 2.8V and a frequency of 1.5MHz.
✓ Total Stock: 22,739 pcs
$ Price Range: $1.08

ST1S31PUR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
22,220 pcs
On Request
22220 pcs On Request 1 On Request On Request 1432+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
519 pcs
On Request
519 pcs On Request 1 On Request On Request On Request 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.

ST1S31PUR 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
Synchronous Rectifier
Topology
Voltage
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ST1S31PUR Description

Short technical summary and product information.

The STMicroelectronics ST1S31PUR is a versatile DC-DC switching regulator designed for step-down applications. It features an adjustable output voltage and can handle a current of up to 3A.

 

This regulator operates at a frequency of 1.5MHz, enabling efficient power conversion. It is designed for positive output configurations and utilizes a synchronous rectifier for improved performance. The device requires a 2.8V operating voltage.

 

Packaged in an 8-VDFN exposed pad with an 8-QFN (3x3) supplier device package, the ST1S31PUR is suitable for surface mount applications. It operates within a temperature range of -40°C to 150°C (TJ).

ST1S31PUR Quick Information

Product Type: DC-DC Switching Regulator
Canonical Name: STMicroelectronics ST1S31PUR Adjustable Step-Down DC-DC Switching Regulator
Subcategory: DC-DC Switching Regulator

ST1S31PUR Compliance

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

ST1S31PUR Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

ST1S31PUR Features

  • Adjustable 3A step-down DC-DC regulator.
  • Operates at 1.5MHz frequency.
  • Synchronous rectifier for efficiency.
  • Surface mount 8-VDFN exposed pad package.
  • Wide operating temperature range.

ST1S31PUR Applications

  • Power supply for electronic devices.
  • Efficient voltage conversion circuits.
  • Embedded system power management.
  • Portable electronic applications.

ST1S31PUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the ST1S31PUR?

2.8V.

What is the package type of the ST1S31PUR?

8-VDFN Exposed Pad (supplier package 8-QFN 3x3mm).

What is the operating temperature range?

-40°C to 150°C (junction).

What is the output current capability?

3A.

What is the switching frequency?

1.5MHz.

Is the output voltage adjustable?

Yes, the output type is adjustable.

Does the regulator have a synchronous rectifier?

Yes.

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