NCR420ZAX

Overview

The NCR420ZAX is an LED lighting driver IC manufactured by Nexperia USA Inc. It is housed in a SOT-223 package and supports both Boost and Buck topologies for constant current output. The device operates with a maximum power supply voltage of 40 V and delivers an output current of 150 mA. It features a working frequency of 10 kHz and has a maximum power dissipation of 1.8 W. The component functions within a temperature range of -55°C to +150°C.

Feature Summary

• Supports Boost and Buck converter topologies for flexible LED drive configurations
• Provides constant current output control for stable LED illumination
• Operates at a fixed working frequency of 10 kHz

Applications

• LED lighting driver circuits
• Constant current LED applications
• Boost topology LED drivers
• Buck topology LED drivers

Procurement Notes

Verify the specific suffix 'ZAX' against official Nexperia documentation, as standard listings often reference 'NCR420ZX'. Confirm that the requested part matches the SOT-223 package and 150 mA constant current specifications. Ensure compatibility with the required Boost or Buck topology before procurement.

Selection Notes

Select this component for applications requiring a single-channel constant current LED driver with integrated Boost and Buck capabilities. Consider the 150 mA output limit and 1.8 W power dissipation when designing thermal management solutions. Verify that the operating voltage range up to 40 V aligns with the target LED string configuration.

Part Context

This component belongs to the Nexperia LED Lighting Drivers category. It is classified under Driver ICs and specifically designed for LED illumination systems. The device integrates switching functionality suitable for compact lighting designs requiring efficient power conversion.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.