IW388-01B

Overview

The iW388-01B is a high-performance step-down DC/DC regulator designed for LED lighting applications, supporting input voltages from 22 V to 65 V. It features true DC dimming with high resolution and operates within a temperature range of -40°C to +150°C. The device provides constant current and constant voltage outputs in a SOIC-10 package.

Feature Summary

• Integrates a buck topology for efficient step-down regulation
• Supports high-resolution true DC dimming functionality
• Delivers combined constant current and constant voltage output modes

Applications

• LED lighting systems requiring high input voltage support
• Industrial lighting fixtures operating in extreme temperatures
• High-reliability automotive or commercial illumination drivers

Procurement Notes

Verify component availability through authorized Renesas channels as distribution status may be limited. Confirm RoHS compliance details and specific packaging requirements directly with the manufacturer before finalizing procurement plans.

Selection Notes

Select this component for designs requiring wide input voltage ranges up to 65 V and operation at elevated temperatures up to 150°C. Ensure the application benefits from integrated buck regulation and precise DC dimming capabilities without external compensation components.

Part Context

Part of the iW388 series by Renesas Electronics Corporation, focusing on LED driver ICs. This model utilizes advanced control loop technologies to optimize performance for demanding lighting applications while maintaining compact form factors.

Replacement Considerations

Consult official cross-reference documentation for verified substitutes. No public substitute part numbers are confirmed in available sources.