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LM1117GS-3.3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM1117GS-3.3 product

LM1117GS-3.3

Amplifiers

LDO3.3V1AVoltage Regulator

The LM1117GS-3.3 is a 1A fixed 3.3V LDO regulator in a SOT-223 package, ideal for general-purpose power management in portable and battery-powered electronics.

Best for

  • Battery-powered devices
  • SCSI terminators
  • SMPS post-regulation

Avoid if

  • High-efficiency requirements where switching regulators are preferred
  • Applications exceeding 20V input

Check before use

  • Thermal resistance of the PCB layout
  • Output capacitor ESR requirements

Key specifications

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

Compliance & Environment

RoHS
Yes
REACH
-
MSL
3
ECCN
-
HTSUS
-

Application

Power Management

CAD Models

Download ECAD models for LM1117GS-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
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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 1A low-dropout (LDO) linear voltage regulator providing a fixed 3.3V output.