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ST1S40IPUR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ST1S40IPUR product

ST1S40IPUR

Voltage Regulators - DC DC Switching Regulators

Synchronous BuckStep-Down Regulator3A

The ST1S40IPUR is a 3A synchronous step-down switching regulator from STMicroelectronics, designed for high-efficiency point-of-load applications.

Best for

  • Point of load supplies
  • STB, TVs, and DVD players
  • Hard disk drives and optical storage

Avoid if

  • Applications requiring output voltages above the input voltage
  • Designs where space is extremely limited for external components

Check before use

  • Thermal dissipation requirements
  • PCB layout for noise reduction

Key specifications

Output Current
3 A
Input Voltage
4.0 V - 18 V
Switching Frequency
850 kHz

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementConsumer Electronics

Datasheet

ST1S40IPUR-STMicroelectronics-datasheet-68071808.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ST1S40IPUR: 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
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Where to Buy

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Alternative components

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

Design and risk insights

Questions & answers

It is an internally compensated 850 kHz fixed-frequency PWM synchronous step-down regulator capable of delivering up to 3 A of output current.