What are the primary applications for this regulator?

It is commonly used in computer motherboards, graphic cards, LCD monitors, and as a post-regulator for switching power supplies.

What should engineers review before using this component?

Review the thermal resistance of the chosen package (SOT-223, TO-252, or SOT-89) and ensure the PCB copper area is sufficient to dissipate heat at high load currents.

What are the key specifications of the AMS1117-3.3V-JSM?

It features a 1.3V dropout voltage at 800mA, 2mA quiescent current, and a maximum input voltage of 15V.

What are the sourcing risks for this component?

The component is widely available with stable stock levels, presenting low sourcing risk for standard production volumes.

What is the pinout of AMS1117-3.3V-JSM?

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

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

Q: What is the AMS1117-3.3V-JSM?

It is a 3-terminal low-dropout (LDO) linear regulator providing a fixed 3.3V output with up to 800mA load current capability.

AI summary

The AMS1117-3.3V-JSM is a reliable 800mA fixed 3.3V LDO regulator suitable for general power management in consumer electronics.

Best for

Consumer electronics
Motherboard power rails
Post-regulation

Avoid if

Applications requiring very low dropout voltage (<1V)
High-temperature environments exceeding 85°C

Check before use

Thermal dissipation requirements
Input voltage stability

Key specifications

Output Voltage: 3.3 V
Max Output Current: 800 mA
Dropout Voltage: 1.3 V
Max Input Voltage: 15 V

Compliance & Environment

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

Application

Power ManagementConsumer Electronics

Datasheet

8375e019e862b7434f7edc0f14583f3c_2407161538_JSMSEMI-AMS1117-3-3V-JSM_C18190088.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for AMS1117-3.3V-JSM: 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

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 3-terminal low-dropout (LDO) linear regulator providing a fixed 3.3V output with up to 800mA load current capability.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the AMS1117-3.3V-JSM?+×

What are the primary applications for this regulator?+×

What should engineers review before using this component?+×

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

What are the sourcing risks for this component?+×

What is the pinout of AMS1117-3.3V-JSM?+×