What are the key protection features?

The device includes internal thermal overload shutdown and short-circuit current limiting to protect against fault conditions.

What is the maximum input voltage?

The device supports an input voltage of up to 30V for the 5V output version.

What are the recommended external components?

Bypass capacitors (typically 0.33μF at input and 0.1μF at output) are recommended for optimum stability and transient response.

What is the supply availability?

The part is currently in active production with high stock availability in the distribution channel.

What should sourcing teams check before buying 78L05G-AB3-R?

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

What is the pinout of 78L05G-AB3-R?

Use the 78L05G-AB3-R datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 78L05G-AB3-R pinout to locate pins, power rails, and interface signals before layout.

78L05G-AB3-R Datasheet, Specs, Alternatives & ECAD | UTC(Unisonic Tech)

AI summary

The 78L05G-AB3-R is a 100mA fixed 5V positive linear voltage regulator from UTC, ideal for low-power applications requiring stable voltage rails.

Best for

Low-power 5V rails
Consumer electronics
General purpose voltage regulation

Avoid if

Load current exceeds 100mA
High efficiency requirements (use switching regulators instead)

Check before use

Thermal dissipation at high input voltages
Capacitor placement for stability

Key specifications

Output Voltage: 5V
Max Output Current: 100mA
Max Input Voltage: 30V
Dropout Voltage: 1.7V

Compliance & Environment

RoHS: Compliant
REACH: nan
MSL: nan
ECCN: nan
HTSUS: nan

Application

Power ManagementConsumer Electronics

Datasheet

b4ee50974f4dd598ab3f08590377bb1a.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 78L05G-AB3-R: 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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KiCad Library

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Alternative components

KIA78L05FGKIA

A strong cross-family alternative with matching package, pinout, and key electricals, but a narrower temperature range.

Needs validation

Design and risk insights

Questions & answers

It is a 3-terminal monolithic fixed voltage regulator providing a stable 5V output with up to 100mA current capacity.

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 78L05G-AB3-R?+×

What are the key protection features?+×

What is the maximum input voltage?+×

What are the recommended external components?+×

What is the supply availability?+×

What should sourcing teams check before buying 78L05G-AB3-R?+×

What is the pinout of 78L05G-AB3-R?+×