What are the key dimming methods?

It supports dimming via CTRL pin PWM signals (up to 2kHz), adjusting the feedback voltage with an external DC source, or using a logic-controlled MOSFET to modify the feedback path.

Does it require an external Schottky diode?

No, the Schottky diode is integrated into the chip, reducing the external component count and PCB footprint.

What is the purpose of the OVP feature?

The Output Over-Voltage Protection (OVP) clamps the output voltage if an LED string fails open, preventing damage to the IC and minimizing input current.

What is the supply risk for this component?

The AP3019A is a standard, active component from Diodes Incorporated with high availability in the market.

What should sourcing teams check before buying AP3019AKTR-G1?

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

AP3019AKTR-G1 Datasheet, Alternatives & Specs | Diodes

AI summary

The AP3019A is a compact, high-efficiency boost LED driver designed for driving up to 8 white LEDs in series, ideal for space-constrained backlighting applications.

Best for

Mobile device backlighting
LCD modules
Compact LED drivers

Avoid if

Applications requiring >8 LEDs in series
High-power lighting requiring external switches

Check before use

Inductor saturation current rating
Output capacitor dielectric type (X5R/X7R)

Key specifications

Switching Frequency: 1.2 MHz
Max LEDs: 8 in series
Efficiency: 84%
Feedback Reference: 200 mV

Compliance & Environment

RoHS: ROHS3 Compliant

Application

Consumer ElectronicsMobile DevicesPower Management

Datasheet

AP3019A.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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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

The AP3019A is a 1.2MHz inductor-based boost DC/DC converter specifically designed for driving white LED strings in backlighting applications.

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 AP3019A?+×

What are the key dimming methods?+×

Does it require an external Schottky diode?+×

What is the purpose of the OVP feature?+×

What is the supply risk for this component?+×

What should sourcing teams check before buying AP3019AKTR-G1?+×