IW3638-02A

Overview

The iW3638-02A is a high-power step-down LED driver IC manufactured by Renesas Electronics. It operates within a supply voltage range of 7.5 V to 30 V and features a single output configured for constant current regulation. The device utilizes a buck topology and is housed in an SOIC-8 package. It supports a wide range of PWM dimming interfaces and functions as a dedicated controller for solid-state lighting applications.

Feature Summary

• Supports wide range of PWM dimming interfaces
• Provides constant current regulation for LED loads
• Integrates protection mechanisms including overvoltage, overcurrent, UVLO, and OTP

Applications

• High-power step-down LED lighting systems
• Solid-state lighting (SSL) drivers
• Commercial LED illumination fixtures

Procurement Notes

Verify availability status directly with the manufacturer or authorized distributors, as this component may be subject to limited supply conditions or factory special orders. Confirm RoHS compliance details and ensure the specific suffix matches design requirements before ordering.

Selection Notes

Select this component for designs requiring a buck topology LED driver with integrated protection features. Ensure the input voltage stays within the 7.5 V to 30 V range. Verify compatibility with the required PWM dimming interface and confirm that the SOIC-8 package fits the thermal and spatial constraints of the target PCB layout.

Part Context

The iW3638-02A belongs to the iW3638 series of LED lighting driver ICs from Renesas. This series focuses on providing efficient power management solutions for LED applications, combining switching control with necessary safety features in a compact form factor suitable for modern lighting designs.

Replacement Considerations

Check for other variants within the iW3638 family, such as the iW3638-01, which shares similar functional characteristics but may differ in specific pinouts or internal configurations. Consult official cross-reference documents for verified substitutes.