IW388-30B

Overview

The iW388-30B is a high-performance step-down DC/DC regulator designed for LED lighting applications, supporting input voltages up to 65V. It integrates true DC dimming with high resolution for precise brightness control. The device operates as a synchronous buck converter, offering efficient power management for automotive and industrial LED systems. Manufactured by Renesas Electronics Corporation under the iW388 series, it utilizes a PWG8 (SOIC-8) package. The component is classified as a switching voltage regulator within the PMIC category.

Feature Summary

• Integrates high-resolution true DC dimming capability for precise LED brightness adjustment
• Supports wide input voltage range up to 65V for flexible system design
• Utilizes proprietary R3 or R4 control loop technology for stable regulation without external compensation

Applications

• Automotive LED headlight systems
• Industrial LED lighting fixtures
• High-voltage LED driver circuits

Procurement Notes

Verify current availability status directly with authorized distributors, as supply constraints may apply. Confirm RoHS compliance details and specific ordering suffixes against official Renesas documentation before procurement. Ensure compatibility with required packaging formats such as cut tape or reel options.

Selection Notes

Select this component for applications requiring high input voltage tolerance and precise analog dimming control. Evaluate thermal performance requirements relative to the SOIC-8 package limitations. Consider system efficiency needs and verify that the integrated synchronous rectification meets load current specifications for the target LED array configuration.

Part Context

Part of the iW388 series from Renesas, focusing on high-efficiency LED driving solutions. The series leverages advanced control loop technologies like R3 and R4 to simplify design and improve transient response. This specific model targets high-voltage LED applications where precise dimming and robust regulation are critical for performance and longevity in demanding environments.

Replacement Considerations

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