What are the key specifications?

It provides 3.3V output at 1A, supports up to 18V input, and features 0.5% load regulation with internal thermal protection.

What should engineers review before using it?

Verify the thermal dissipation requirements for your specific package (SOT-89, SOT-223, or TO-252) and ensure the output capacitor meets the 10uF tantalum requirement.

What are the common applications?

Commonly used in switching DC/DC converter post-regulation, battery chargers, PC add-on cards, and LCD monitors.

What are the sourcing risks?

The part is widely available and currently active, posing low supply chain risk.

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 | Slkor(SLKORMICRO Elec.)

AI summary

The AMS1117-3.3 is a reliable 1A fixed 3.3V LDO regulator suitable for general power management tasks.

Best for

General 3.3V power rails
Post-regulation

Avoid if

High-current applications exceeding 1A
Applications requiring ultra-low quiescent current

Check before use

Thermal design
Output capacitor ESR

Key specifications

Output Voltage: 3.3 V
Max Output Current: 1 A
Max Input Voltage: 18 V
Dropout Voltage: 1.3 V

Compliance & Environment

RoHS: Yes
REACH: nan
MSL: nan
ECCN: nan
HTSUS: nan

Application

Power ManagementConsumer Electronics

Datasheet

d8f1e09e0bfdce9d24ca50755985893a_2308071511_JSMSEMI-AMS1117-3-3_C917183.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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PCB Footprint

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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 fixed 3.3V, 1A low dropout linear regulator designed for efficient power regulation in various electronic devices.

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?+×

What should engineers review before using it?+×

What are the common applications?+×

What are the sourcing risks?+×

What is the pinout of AMS1117-3.3?+×