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IR21571PBF

IR21571PBF Description

The IR21571PBF from Infineon Technologies is a high-performance ballast controller IC designed for driving fluorescent lamp ballasts in lighting applications. Operating within a supply voltage range of 10.5V to 16.5V, this through-hole-mounted device delivers a fixed frequency range of 45.5kHz to 50.5kHz, ensuring stable and efficient operation. With a low supply current of 5.5mA, it minimizes power consumption while maintaining reliability. The IC is ROHS3 compliant and REACH unaffected, making it suitable for environmentally conscious designs. Packaged in a 16DIP tube, it is ideal for industrial and commercial lighting systems requiring robust performance.

IR21571PBF Features

• Fixed Frequency Operation: Ensures consistent performance with a 45.5kHz–50.5kHz range, reducing flicker and improving lamp life.
• Low Power Consumption: 5.5mA supply current enhances energy efficiency.
• Wide Supply Voltage Range (10.5V–16.5V): Supports flexible power supply configurations.
• No Dimming Capability: Optimized for applications where dimming is not required, simplifying design.
• Robust Packaging: 16DIP through-hole design ensures durability and ease of integration.
• Compliance: ROHS3 and REACH compliant, meeting global environmental standards.

IR21571PBF Applications

The IR21571PBF is ideal for:

• Fluorescent Lamp Ballasts: Provides stable control for commercial and industrial lighting systems.
• Fixed-Frequency Lighting Systems: Suitable for applications requiring consistent frequency without dimming.
• Energy-Efficient Lighting: Low power consumption makes it ideal for green lighting solutions.
• Industrial Lighting: Robust design ensures reliability in harsh environments.

Conclusion of IR21571PBF

The IR21571PBF is a reliable, high-efficiency ballast controller tailored for fixed-frequency fluorescent lighting systems. Its low power consumption, wide voltage range, and compliance with environmental standards make it a strong choice for designers seeking a no-frills, high-performance solution. While obsolete, its proven performance in industrial and commercial applications ensures it remains a viable option for legacy systems or specific use cases requiring its unique features.