What are the key specifications of the AMS1117-3.3?

It features a 1A output current, 1.2V dropout voltage at 1A, 1.5% output voltage accuracy, and integrated thermal shutdown and current limiting.

What should engineers review before using the AMS1117-3.3?

Engineers should review the thermal resistance (θJA) of the chosen package and ensure the input voltage does not exceed the maximum rating of 12V under recommended conditions.

What are the common applications for this regulator?

It is ideal for battery chargers, mobile phones, portable devices, and as a post-regulator for switching power supplies.

What should sourcing teams check before buying AMS1117-3.3?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of AMS1117-3.3?

Use the AMS1117-3.3 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about AMS1117-3.3 pinout to locate pins, power rails, and interface signals before layout.

AMS1117-3.3 Datasheet, Specs, Alternatives & ECAD | JSMSEMI

AI summary

The AMS1117-3.3 is a reliable 1A fixed 3.3V LDO regulator suitable for general-purpose power management in portable and battery-powered electronics.

Best for

Battery-powered systems
Portable electronics
Post-regulation for DC-DC converters

Avoid if

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

Check before use

Thermal dissipation on the PCB
Input voltage stability

Key specifications

Output Voltage: 3.3 V
Max Output Current: 1 A
Dropout Voltage: 1.2 V
Accuracy: 1.5 %

Compliance & Environment

RoHS: -
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Power ManagementConsumer Electronics

Datasheet

9a683accc24216032b8646ebc747dfeb.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for AMS1117-3.3: KiCad symbol & footprint, Altium footprint, PCB 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 1A low-dropout (LDO) linear voltage regulator that provides a fixed 3.3V output, commonly used in various electronic systems.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the AMS1117-3.3?+×

What are the key specifications of the AMS1117-3.3?+×

What should engineers review before using the AMS1117-3.3?+×

What are the common applications for this regulator?+×

What should sourcing teams check before buying AMS1117-3.3?+×

What is the pinout of AMS1117-3.3?+×