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LM1117RS-3.3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM1117RS-3.3 product

LM1117RS-3.3

Power Management (PMIC)

LDOVoltage Regulator3.3V

The LM1117RS-3.3 is a fixed 3.3V, 1A low-dropout linear regulator in a TO-252 package, ideal for general-purpose power management.

Best for

  • Battery-powered devices
  • SCSI bus termination
  • Portable electronics

Avoid if

  • Applications requiring very high efficiency (use switching regulators instead)
  • Input voltage exceeding 20V

Check before use

  • Output capacitor requirements
  • Thermal resistance of the PCB layout

Key specifications

Output Voltage
3.3V
Max Current
1A
Max Input Voltage
20V

Compliance & Environment

RoHS
-
REACH
-
MSL
3
ECCN
-
HTSUS
-

Application

Power Management

Datasheet

9c7c890849d38ef98b46fb38b8104b11_2304140030_HTC-Korea-TAEJIN-Tech-LM1117RS-3-3_C126023.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LM1117RS-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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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 positive-voltage LDO regulator with a fixed 3.3V output, designed for applications requiring low dropout and stable voltage.