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AMS1117-3.3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

AMS1117-3.3 product

AMS1117-3.3

Voltage Regulators - Linear + Switching

LDO3.3V Regulator1ASOT-223

The AMS1117-3.3 is a standard 1A, 3.3V fixed-output LDO regulator in a SOT-223 package, ideal for general-purpose power management.

Best for

  • General purpose 3.3V power rails
  • Microcontroller power supplies

Avoid if

  • High-efficiency requirements where switching regulators are preferred
  • Applications exceeding 18V input

Check before use

  • Thermal dissipation calculations
  • Output capacitor requirements

Key specifications

Output Voltage
3.3 V
Max Output Current
1 A
Max Input Voltage
18 V

Compliance & Environment

RoHS
nan
REACH
nan
MSL
nan
ECCN
nan
HTSUS
nan

Application

Power ManagementVoltage Regulation

Datasheet

1912111437_KEXIN-AMS1117-3-3_C369933.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for AMS1117-3.3: 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

2
PartDetailsMatch
LD1117AG-33-AA3-A-RUTC(Unisonic Tech)

A functional alternate in the same SOT-223 package with identical output, but a lower max input voltage.

Needs validation

Design and risk insights

Questions & answers

It is a fixed 3.3V, 1A low dropout linear regulator designed for efficient voltage regulation in various electronic circuits.