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LD1117-3.3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LD1117-3.3 product

LD1117-3.3

Power Management (PMIC)

LDO3.3VLinear Regulator1A

The LD1117-3.3 is a standard 1A fixed 3.3V LDO regulator in an SOT-223 package, ideal for general-purpose voltage regulation in consumer electronics.

Best for

  • Post-regulation in switching power supplies
  • Consumer electronics like LCD monitors and DVD players

Avoid if

  • Applications requiring extremely low dropout voltage (below 1.4V at 1A)
  • High-temperature environments exceeding 125°C

Check before use

  • Thermal design of the PCB
  • Input voltage stability

Key specifications

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

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Management

Datasheet

453b5e7cfe8a31299a83f13a95e67e3f.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LD1117-3.3: 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 1A low-dropout (LDO) linear voltage regulator providing a fixed 3.3V output.