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LM1117S-1.8 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM1117S-1.8 product

LM1117S-1.8

Power Management (PMIC)

LDO1.8V1ASOT-223

The LM1117S-1.8 is a fixed 1.8V, 1A low-dropout (LDO) linear regulator in a SOT-223 package, ideal for general-purpose power management.

Best for

  • Portable electronics
  • SCSI bus termination
  • Post-regulation for SMPS

Avoid if

  • High-efficiency requirements where switching regulators are preferred

Check before use

  • Thermal resistance of the PCB layout

Key specifications

Output Voltage
1.8 V
Max Current
1 A
Dropout
1.2 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
3
ECCN
-
HTSUS
-

Application

Power

Datasheet

da80a7243310d296298ff9ea7a71589a_2304140030_HTC-Korea-TAEJIN-Tech-LM1117S-1-8_C126026.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LM1117S-1.8: 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 positive-voltage linear regulator providing a fixed 1.8V output with up to 1A of current.