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BCR421UFD-7

BCR421UFD-7 Description

The BCR421UFD-7 from Diodes Incorporated is a high-performance linear LED driver designed for precision current regulation in lighting and signage applications. This surface-mount IC delivers a constant output current of 350mA with a maximum output voltage of 40V, making it ideal for driving high-brightness LEDs efficiently. The device operates with a wide supply voltage range up to 18V, ensuring compatibility with diverse power sources. Packaged in a compact 6-pin DFN and available in Tape & Reel (TR), it is optimized for automated assembly processes. The PWM dimming capability allows for precise brightness control, while its RoHS3 compliance and REACH unaffected status ensure adherence to environmental regulations.

BCR421UFD-7 Features

• Linear LED Driver: Provides stable current regulation without the need for an external switch, simplifying design.
• High Output Voltage (40V): Supports driving multiple LEDs in series.
• PWM Dimming: Enables flexible brightness adjustment for dynamic lighting effects.
• Wide Supply Range (Up to 18V): Compatible with various power supplies.
• Compact 6-DFN Package: Space-saving and suitable for high-density PCB layouts.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.
• Moisture Sensitivity Level (MSL 1): Suitable for unlimited floor life, reducing handling constraints.

BCR421UFD-7 Applications

The BCR421UFD-7 excels in applications requiring precise LED current control and compact form factors, such as:

• Architectural Lighting: Ideal for LED strips and facade lighting due to its high voltage tolerance.
• Commercial Signage: Ensures consistent brightness in channel letters and backlit displays.
• Automotive Accent Lighting: PWM dimming supports dynamic lighting scenarios.
• Retail Display Lighting: Delivers uniform illumination for product showcases.

Conclusion of BCR421UFD-7

The BCR421UFD-7 stands out as a reliable, efficient, and compact solution for LED driving applications. Its linear regulation, PWM dimming, and high output voltage make it superior to many switching alternatives in scenarios demanding simplicity and precision. With Diodes Incorporated's quality assurance and compliance with global standards, this driver is a robust choice for designers targeting lighting and signage systems with stringent performance and space requirements.