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LD1117AG-33-AA3-A-R AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LD1117AG-33-AA3-A-R product

LD1117AG-33-AA3-A-R

Power Management (PMIC)

LDOVoltage Regulator3.3V1A

The LD1117AG-33-AA3-A-R is a reliable 1A, 3.3V fixed LDO regulator suitable for general-purpose power management.

Best for

  • General purpose 3.3V regulation
  • Consumer electronics power rails

Avoid if

  • Input voltage exceeds 15V
  • High-heat environments without adequate PCB copper for heat sinking

Check before use

  • Thermal design
  • Input/Output capacitor requirements

Key specifications

Output Voltage
3.3V
Max Output Current
1A
Max Input Voltage
15V
Dropout Voltage
1.2V @ 1A

Compliance & Environment

RoHS
nan
REACH
nan
MSL
nan
ECCN
nan
HTSUS
nan

Application

Power ManagementIndustrial

Datasheet

5eece850982a99ffa2c5cdf879aceeb1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LD1117AG-33-AA3-A-R: 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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Alternative components

3
PartDetailsMatch
AMS1117-3.3Kexin

A common cross-family alternate with a higher input voltage, but requires review of pin count and temperature specs.

Needs validation

Design and risk insights

Questions & answers

It is a 3-terminal positive voltage regulator providing a fixed 3.3V output with up to 1A current capacity.