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SY8291ABC AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SY8291ABC product

SY8291ABC

Power Management (PMIC)

Buck RegulatorPMICSilergyStep-Down

The SY8291ABC is a high-efficiency, 800kHz asynchronous buck regulator capable of 1.2A output, designed for 5V-40V input applications.

Best for

  • Industrial power supplies
  • Consumer electronics
  • Communication equipment

Avoid if

  • Applications requiring >1.2A output current
  • Designs needing synchronous rectification

Check before use

  • Inductor saturation current rating
  • Rectifier diode voltage/current ratings

Key specifications

Input Voltage
5V - 40V
Output Current
1.2A
Switching Frequency
800kHz
Package
SOT23-6

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementConsumer Electronics

Datasheet

5d28aea9fd3472f00b0bb68d405b0e8b.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SY8291ABC: 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

3
PartDetailsMatch
LGS5145Legend-Si

Functional alternative with wider voltage range, but lower output current and different switching frequency.

Needs validation

Design and risk insights

Questions & answers

It is an asynchronous step-down DC-DC regulator IC from Silergy, designed for high-efficiency power conversion in a compact SOT23-6 package.