IW380-30B

Overview

The iW380-30B is a single-stage, non-isolated buck LED driver controller from Renesas Electronics Corporation. It features high-resolution True DC dimming technology with a resolution of 0.0625% and a dimming range from 0.0625% to 100%. The device supports an optimal input voltage of 78V and delivers up to 150W of output power. It operates within a temperature range of -40°C to +105°C and includes integrated protection features such as input OVP, OCP, OSP, UVLO, and OTP.

Feature Summary

• Supports flicker-free True DC dimming with no ripple across the entire dimming range
• Accepts analog (DC), PWM, and resistor set dimming inputs for versatile control compatibility
• Integrates light-off mode to completely turn off LED light at minimum dimming input
• Provides tight output current regulation with ±3% accuracy

Applications

• Commercial lighting systems requiring high-performance dimmable drivers
• Stage lighting applications optimized for high-resolution dimming
• Second-stage post-regulation in AC/DC lighting systems
• Standalone DC/DC converters for solid-state lighting

Procurement Notes

Verify component authenticity through authorized Renesas distributors or official channels. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Ensure design compliance with specified thermal and electrical parameters for reliable operation in target environments.

Selection Notes

Select this component for applications requiring precise, ripple-free dimming control in commercial LED systems. Consider its compatibility with DALI-2 standards and support for multiple dimming interfaces when designing control architectures. Evaluate thermal management requirements given the operating temperature range and power capabilities.

Part Context

The iW380 series belongs to Renesas' portfolio of high-performance LED driver ICs designed for commercial lighting. It utilizes proprietary True DC dimming technology to eliminate flicker, addressing common issues in traditional PWM dimming solutions. The series targets applications demanding high visual quality and precise light control.

Replacement Considerations

Consult official Renesas documentation for verified cross-reference part numbers. Ensure functional equivalence regarding dimming resolution, input voltage range, and protection features before substitution.