What are the key applications for this regulator?

It is commonly used in set-top boxes, portable TVs, DSL modems, LCD TVs, IP cameras, and general networking equipment.

What protection features are included?

The device includes cycle-by-cycle peak/valley current limiting, hic-cup mode output short-circuit protection, thermal shutdown with auto-recovery, and output auto-discharge.

What are the recommended external components?

The device is stable with a 22µF output capacitor and a 2.2µH inductor. A 100nF bootstrap capacitor is required between the BS and LX pins.

What is the supply risk for this component?

The component is currently active and widely available through major distributors, with moderate supply risk.

What should sourcing teams check before buying SY8113IADC?

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

What is the pinout of SY8113IADC?

Use the SY8113IADC datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about SY8113IADC pinout to locate pins, power rails, and interface signals before layout.

SY8113IADC Datasheet, Specs, Alternatives & ECAD | silergy

AI summary

The SY8113IADC is a robust 3A synchronous buck regulator for 18V input systems, offering high efficiency and fast transient response in a compact TSOT23-6 package.

Best for

Consumer electronics
Networking equipment
Compact power supplies

Avoid if

Applications requiring >3A output current
Input voltages exceeding 18V

Check before use

Ensure the feedback resistor divider is calculated correctly for the desired output voltage.
Verify PCB layout against the datasheet recommendations.

Key specifications

Input Voltage: 4.2V - 18V
Output Current: 3A
Switching Frequency: 500kHz
Package: TSOT23-6

Compliance & Environment

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

Application

Power ManagementConsumer Electronics

Datasheet

459e7369a1c0808c8356b3f54f1817a9.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SY8113IADC: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Part	Details	Match
SM8103ADCsilergy	Pin-compatible DC-DC converter with identical key electrical parameters and verified pinout.	Needs validation

SY8113BADCsilergy	Pin-compatible alternative from the same series with a slightly higher minimum input voltage.	Needs validation
SY8105IADCsilergy	Pin-compatible upgrade with higher 5A output current. Minimum input voltage is slightly higher.	Needs validation
SY8156IADCsilergy	Pin-compatible part with higher 6A current, but different 400kHz switching frequency requires circuit review.	Needs validation
TMI3253SHMI	Functionally similar alternative in the same package, but requires circuit redesign due to different switching frequency.	Needs validation

Design and risk insights

Questions & answers

It is a high-efficiency, 3A synchronous step-down DC/DC regulator from Silergy, designed for input voltages between 4.2V and 18V.

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 SY8113IADC?+×

What are the key applications for this regulator?+×

What protection features are included?+×

What are the recommended external components?+×

What is the supply risk for this component?+×

What should sourcing teams check before buying SY8113IADC?+×

What is the pinout of SY8113IADC?+×