What are the key applications for this regulator?

It is commonly used in battery chargers, disk drives, notebook computers, and as an SMPS post-regulator.

What is the dropout voltage of the LM1117S-5.0?

The dropout voltage is typically 1V at a full 1A load, decreasing as the output current decreases.

Is a heat sink required?

Depending on the power dissipation and ambient temperature, a heat sink or sufficient copper plane area on the PCB may be required to keep the junction temperature within limits.

What is the sourcing status of this component?

The component is currently active and widely available through major distributors.

What is the pinout of LM1117S-5.0?

Use the LM1117S-5.0 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about LM1117S-5.0 pinout to locate pins, power rails, and interface signals before layout.

LM1117S-5.0 Datasheet, Specs, Alternatives & ECAD | Tak Cheong Electronics (Holdings) Co., Limited

AI summary

The LM1117S-5.0 is a reliable 1A fixed 5V LDO regulator in a SOT-223 package, ideal for general-purpose power management.

Best for

General purpose 5V regulation
Battery-powered devices
Post-regulation for SMPS

Avoid if

High-efficiency requirements where switching regulators are preferred
Applications exceeding 20V input

Check before use

Output capacitor requirements
Thermal dissipation capabilities of the PCB

Key specifications

Output Voltage: 5V
Max Output Current: 1A
Dropout Voltage: 1V @ 1A
Package: SOT-223

Compliance & Environment

RoHS: Yes
REACH: nan
MSL: 3
ECCN: nan
HTSUS: nan

Application

Power ManagementConsumer Electronics

Datasheet

645e31d417b2d34b0e188d962ba8bb36_2304140030_HTC-Korea-TAEJIN-Tech-LM1117S-5-0_C126028.pdf

800 KB

Datasheet AI

CAD Models

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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 with a fixed 5V output, designed for efficient power regulation.

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 LM1117S-5.0?+×

What are the key applications for this regulator?+×

What is the dropout voltage of the LM1117S-5.0?+×

Is a heat sink required?+×

What is the sourcing status of this component?+×

What is the pinout of LM1117S-5.0?+×