IW388-03B

Overview

The IW388-03B is a high-performance step-down DC/DC regulator designed for LED lighting applications, supporting input voltages up to 65V. It features high-resolution true DC dimming capabilities and operates as a switching voltage regulator within the iW388 series. The device is classified under PMIC - Power Management ICs and is manufactured by Renesas Electronics.

Feature Summary

• High-performance step-down DC/DC regulation architecture
• Supports high-resolution true DC dimming functionality
• Designed for LED lighting applications with up to 65V capability

Applications

• LED lighting systems
• High-voltage DC/DC conversion tasks
• Applications requiring precise DC dimming control

Procurement Notes

Verify current availability status directly with authorized distributors or the manufacturer, as supply constraints may apply. Confirm RoHS compliance details and specific packaging options such as reel or cut tape requirements prior to ordering. Ensure design-in compatibility with system voltage limits.

Selection Notes

Select this component for designs requiring high input voltage handling up to 65V in a buck converter topology. Prioritize when high-resolution DC dimming is critical for LED brightness control. Evaluate thermal management needs and ensure PCB layout supports the switching regulator characteristics of the iW388 series.

Part Context

Part of the iW388 series from Renesas Electronics, focusing on power management integrated circuits. This series targets efficient power conversion solutions, specifically tailored for demanding lighting applications where stability and dimming precision are required.

Replacement Considerations

Cross-reference with other iW388 variants such as IW388-31 for similar functional specifications. Verify pinout and electrical parameter compatibility before substitution.