NUD4011DR2G

Overview

The NUD4011DR2G is a low-current LED driver IC from onsemi, designed to replace discrete solutions in AC/DC high-voltage applications up to 200V. It integrates multiple components into an SO-8 surface-mount package. The device provides constant current output with adjustable levels via an external resistor, supporting PWM dimming. It operates within a supply voltage range of 5V to 30V for the NUD4001 series context, but the NUD4011 specifically targets higher voltages up to 200V input. Key electrical parameters include a maximum output current capability and operation across a temperature range of -40°C to +125°C.

Feature Summary

• Integrates discrete components into a single SO-8 package to reduce system cost and board space.
• Provides stable constant current output to ensure consistent LED brightness despite input voltage variations.
• Supports PWM dimming functionality for precise light control.
• Features adjustable drive current through an external resistor setting.

Applications

• High-voltage AC/DC LED lighting systems
• Automotive interior and exterior lighting (tail lights, turn signals)
• Portable battery-powered lighting devices
• General industrial and small appliance illumination

Procurement Notes

Verify the specific suffix 'G' indicates RoHS compliance and lead-free manufacturing status as per onsemi standards. Confirm the package type matches the required SO-8 footprint for PCB layout. Ensure the design accounts for the high-voltage input capabilities when integrating into AC/DC circuits. Cross-reference the datasheet for thermal dissipation requirements under maximum load conditions.

Selection Notes

Select this component for designs requiring integration of high-voltage LED driving functions into a compact form factor. It is suitable where discrete component count reduction is critical for cost and space optimization. Consider the adjustable current feature for flexibility in different LED array configurations. Ensure the application voltage does not exceed the specified maximum limits for reliable operation.

Part Context

The NUD4011 series belongs to onsemi's portfolio of integrated LED drivers aimed at simplifying power management in lighting applications. It replaces complex discrete topologies with a unified solution. The DR2G suffix typically denotes tape and reel packaging with green/RoHS-compliant materials. This part is part of a broader family including variants like NUD4001, tailored for different voltage and current profiles.

Replacement Considerations

NUD4011DR2G is the direct replacement for the discontinued NUD4011DR2. Verify pin compatibility and electrical specifications when substituting older non-'G' suffix versions. Ensure any legacy designs are updated to meet current environmental compliance standards associated with the 'G' suffix.

FAQ

What is the maximum input voltage supported by the NUD4011DR2G?

The NUD4011DR2G is designed for high-voltage applications with an input voltage capability up to 200V.

How is the LED drive current adjusted?

The drive current is set using an external resistor connected between the V_in and R_ext pins, allowing designers to tailor the current to specific LED requirements.

Does the NUD4011DR2G support dimming?

Yes, the device supports PWM dimming for controlling LED brightness.