NCL30082B1DMR2G

Overview

The NCL30082B1DMR2G is a dimmable quasi-resonant primary-side current-mode controller designed for LED lighting applications. It operates in flyback topology with an adjustable output voltage and supports up to 500 mA output current. The device features SOIC-8 package, operates between -40°C and +125°C, and includes thermal foldback protection. Input voltage ranges from 8.8 V to 20 V, with a typical operating frequency of 65 kHz.

Feature Summary

• Primary side sensing eliminates secondary feedback circuits
• Supports analog and digital dimming inputs
• Integrated thermal foldback protection
• Quasi-resonant operation for high efficiency

Applications

• Isolated flyback LED drivers
• Non-isolated buck-boost LED topologies
• Dimmable general lighting fixtures
• High-efficiency AC-DC LED power supplies

Procurement Notes

Verify the suffix 'B1' corresponds to specific factory settings or trim codes as defined in the official datasheet. Confirm RoHS compliance status and check for any recent PCN updates regarding assembly or material changes. Ensure the SOIC-8 package variant matches design requirements.

Selection Notes

Select this component for designs requiring precise primary-side regulation without optocouplers. Consider the 65 kHz switching frequency and thermal management needs for enclosed environments. Verify compatibility with required dimming protocols and input line voltage ranges for target markets.

Part Context

Part of the NCL30082 family, which offers various pinout and feature configurations for LED driver ICs. This specific variant integrates dimming capabilities and thermal protection within a compact surface-mount package, targeting cost-sensitive yet high-performance lighting solutions.

Replacement Considerations

NCL30082DDR2G is listed as a parameter-equivalent alternative. Verify pinout compatibility and specific electrical tolerances before substitution.