What are the primary dimming methods supported?

It supports three dimming methods: direct PWM signal to the EN pin, variable DC voltage control, or a filtered PWM signal acting as an adjustable DC voltage.

What should be considered for PCB layout?

Keep input/output capacitors close to the IC, use a strong ground plane, minimize the LX node area to reduce EMI, and keep feedback traces away from noisy components.

What is the maximum output voltage?

The device is rated for up to 30V output, allowing it to drive up to 8 white LEDs in series.

What is the supply status?

The RY3730 is currently active and widely available through major distributors, making it a reliable choice for new designs.

What should sourcing teams check before buying RY3730?

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

What is the pinout of RY3730?

Use the RY3730 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about RY3730 pinout to locate pins, power rails, and interface signals before layout.

RY3730 Datasheet, Specs, Alternatives & ECAD | RYCHiP

AI summary

The RY3730 is a compact, high-efficiency 1.2MHz boost LED driver capable of driving up to 8 series white LEDs from a 2.5V-5.5V input, ideal for portable battery-powered devices.

Best for

Portable LED backlighting
Camera flash modules
Battery-powered display drivers

Avoid if

Applications requiring >30V output
Non-boost topologies

Check before use

Inductor saturation current rating
Feedback resistor precision for current accuracy

Key specifications

Input Voltage: 2.5V - 5.5V
Switching Frequency: 1.2MHz
Max Output: 30V
Feedback Voltage: 250mV

Compliance & Environment

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

Application

Power ManagementConsumer Electronics

Datasheet

pYYBAGLEAVyAZDisAAl_xWtJvCo150.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for RY3730: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

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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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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The RY3730 is a step-up (boost) DC-DC converter specifically designed to drive white LED strings in series, commonly used in mobile and portable electronics.

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 RY3730?+×

What are the primary dimming methods supported?+×

What should be considered for PCB layout?+×

What is the maximum output voltage?+×

What is the supply status?+×

What should sourcing teams check before buying RY3730?+×

What is the pinout of RY3730?+×