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

AI summary

AMS1117-3.3 product

AMS1117-3.3

PMIC - Voltage Regulators - Linear

LDO3.3V Regulator1ASOT-89

The AMS1117-3.3 is a standard 1A fixed 3.3V LDO regulator in an SOT-89 package, widely used for secondary power regulation in consumer electronics.

Best for

  • Consumer electronics
  • Secondary power rails
  • Low-cost power regulation

Avoid if

  • High-efficiency requirements (use switching regulators instead)
  • Applications requiring very low dropout voltage

Check before use

  • Thermal design
  • Input voltage stability

Key specifications

Output Voltage
3.3 V
Max Output Current
1 A
Dropout Voltage
1.4 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Management

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
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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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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 low-dropout (LDO) linear voltage regulator that provides a fixed 3.3V output from an input voltage up to 18V, capable of supplying up to 1A of current.