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

AI summary

AMS1117-3.3 product

AMS1117-3.3

Amplifiers

LDO3.3V RegulatorLinear Regulator

The AMS1117-3.3 is a standard 1A fixed 3.3V LDO regulator in an SOT-89-3L package, widely used in consumer electronics for voltage regulation.

Best for

  • PC motherboards
  • LCD monitors
  • General purpose 3.3V power rails

Avoid if

  • Applications requiring very low quiescent current
  • High-power designs without adequate heat sinking

Check before use

  • Thermal dissipation requirements
  • Input voltage stability

Key specifications

Output Voltage
3.3 V
Max Current
1 A
Package
SOT-89-3L

Compliance & Environment

RoHS
RoHS

Application

Power ManagementConsumer Electronics

Datasheet

AMS1117-3.3-Advanced-Monolithic-Systems-datasheet-31830847.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

3
PartDetailsMatch
BL8072CLTR33Shanghai Belling

An upgrade with double the output current and much lower power consumption.

Needs validation

Design and risk insights

Questions & answers

It is a three-terminal low dropout (LDO) linear voltage regulator that provides a fixed 3.3V output with up to 1A of current.