ProjectsPricingInsights

AMS1117-3.3S AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

AMS1117-3.3S product

AMS1117-3.3S

Voltage Regulators - Linear

LDO3.3VVoltage Regulator

The AMS1117-3.3S is a reliable 3.3V fixed-output LDO regulator capable of 800mA output, ideal for general-purpose power management.

Best for

  • Consumer electronics
  • Telecommunications
  • Industrial power supplies

Avoid if

  • Applications requiring very low quiescent current
  • High-efficiency requirements where switching regulators are preferred

Check before use

  • Thermal design
  • Input voltage stability

Key specifications

Output Voltage
3.3 V
Max Output Current
800 mA
Dropout Voltage
1.25 V

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementConsumer Electronics

Datasheet

a9bae7d0c14c69a5a6880f1cbf2f4f5c_UMW(友台半导体)&AMS1117-3.3S.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for AMS1117-3.3S: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

3
PartDetailsMatch
CJA1117B-3.3Jiangsu Changjiang Electronics Technology Co., Ltd (CJ)

CJA1117B-3.3 is a close SOT-89 LDO candidate with lower input-voltage rating.

Needs validation

Design and risk insights

Questions & answers

It is a three-terminal low dropout (LDO) linear voltage regulator with a fixed 3.3V output, designed to provide up to 800mA of current.