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

AI summary

AMS1117-3.3 product

AMS1117-3.3

Power Management (PMIC)

LDO3.3V1AVoltage Regulator

The AMS1117-3.3 is a standard 1A fixed 3.3V LDO regulator in an SOT-223 package, widely used for stable power delivery in portable and battery-powered electronics.

Best for

  • Portable electronics
  • Battery-powered systems
  • General purpose 3.3V regulation

Avoid if

  • High-efficiency requirements where switching regulators are preferred
  • Applications exceeding 1A load

Check before use

  • Thermal design
  • Input voltage stability

Key specifications

Output Voltage
3.3V
Max Current
1A
Dropout
1.2V @ 1A

Compliance & Environment

RoHS
Yes
REACH
nan
MSL
nan
ECCN
nan
HTSUS
nan

Application

PowerConsumer

Datasheet

d8f1e09e0bfdce9d24ca50755985893a_2308071511_JSMSEMI-AMS1117-3-3_C917183.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

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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 a 3-terminal low-dropout (LDO) linear voltage regulator providing a fixed 3.3V output with up to 1A current capacity.