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ST1S31PUR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ST1S31PUR product

ST1S31PUR

Voltage Regulators - DC DC Switching Regulators

Buck RegulatorSynchronous3A

The ST1S31PUR is a high-efficiency 3 A synchronous step-down switching regulator designed for low-voltage applications.

Best for

  • Point-of-load regulation
  • Compact power supplies

Avoid if

  • Input voltage exceeds 5.5 V

Check before use

  • Thermal dissipation requirements

Key specifications

Max Output Current
3 A
Input Voltage
2.8 V - 5.5 V
Switching Frequency
1.5 MHz

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Management

Datasheet

ST1S31PUR-STMicroelectronics-datasheet-37002795.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ST1S31PUR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 3 A synchronous step-down DC-DC regulator with integrated MOSFETs, operating at a fixed 1.5 MHz frequency.