What are the primary applications for this regulator?

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

What are the key specifications to consider?

Key specs include a 1A max output current, ±2% output accuracy, and a maximum input voltage of 12V.

What is the pinout of AMS1117-3.3V?

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

AMS1117-3.3V Datasheet, Specs, Alternatives & ECAD | WPMtek

AI summary

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

Best for

Consumer electronics
Local voltage regulation

Avoid if

Applications requiring input voltages > 12V
High-efficiency requirements where switching regulators are preferred

Check before use

Thermal management design
Input/output capacitor selection

Key specifications

Output Voltage: 3.3V
Max Output Current: 1A
Max Input Voltage: 12V

Compliance & Environment

RoHS: RoHS

Application

Power Management

Datasheet

2102221748_WPMtek-Wei-Pan-Microelectronics-AMS1117-3-3V_C2688239.pdf

800 KB

Datasheet AI

CAD Models

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Where to Buy

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Alternative components

Part	Details	Match
NCP1117ST33T3Gonsemi	NCP1117ST33T3G is a close 3.3V 1A LDO candidate, pending package and pinout review.	Needs validation

LDL1117S33RSTMicroelectronics	LDL1117S33R offers stronger current but needs Vin, package, and pinout review.	Needs validation
AMS1117-3.3Kexin	AMS1117-3.3 is a same-family option, but pin count and input-voltage records need review.	Needs validation
ME6118A33B3GMICRONE	ME6118A33B3G can be considered only where lower input-voltage margin is acceptable.	Needs validation
LD1117-3.3UMW	LD1117-3.3 is a possible same-family LDO only after exact package verification.	Needs validation
CJT1117B-3.3Jiangsu Changjing Electronics Technology Co., Ltd.	CJT1117B-3.3 is only suitable for lower-input-voltage applications after review.	Needs validation

Design and risk insights

Questions & answers

It is a low-dropout (LDO) linear voltage regulator that provides a fixed 3.3V output with up to 1A of current.

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 AMS1117-3.3V?+×

What are the primary applications for this regulator?+×

What are the key specifications to consider?+×

What is the pinout of AMS1117-3.3V?+×