IW388-00B

Overview

The iW388-00B 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 in a buck topology. The device provides constant current and constant voltage outputs through a single output channel. It is housed in an SOIC-10 surface-mount package and functions within a temperature range of -40 °C to +150 °C.

Feature Summary

• Integrates high-resolution true DC dimming capability for precise light control
• Supports both constant current and constant voltage regulation modes
• Utilizes a buck topology for efficient step-down voltage conversion

Applications

• LED lighting systems requiring high-performance regulation
• Applications utilizing high-voltage LED strings up to 65 V
• Designs requiring high-resolution dimming functionality

Procurement Notes

Verify component authenticity through authorized Renesas channels due to limited supply status. Confirm RoHS compliance details via official documentation before integration. Ensure the SOIC-10 package footprint matches design requirements. Validate operating temperature ranges against specific environmental constraints.

Selection Notes

Select this component for designs requiring a single-output buck converter with integrated dimming. The wide input voltage range suits high-voltage LED arrays. Consider the SOIC-10 package for space-constrained PCB layouts. Verify thermal performance at maximum operating temperatures.

Part Context

Part of the iW388 series from Renesas Electronics, focusing on LED driver ICs. This series targets high-efficiency power management for lighting applications. The iW388-00B specifically addresses needs for high-voltage operation and precise dimming control in commercial or industrial settings.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure replacement parts maintain compatible input voltage ranges and package types.