Microsemi

LX1689IPW

LX1689IPW Description

The LX1689IPW is a high-performance Cold Cathode Fluorescent Lamp (CCFL) controller designed for a wide range of backlighting applications. Manufactured by Microsemi Corporation, this CCFL controller is part of the Power Management Integrated Circuit (PMIC) category. It features a robust design with a supply voltage range of 3V to 28V and operates at a frequency of 63kHz to 67kHz, ensuring efficient and reliable performance. The LX1689IPW is packaged in a 20-TSSOP package and is available in Tape & Reel (TR) format, making it suitable for surface mount applications.

LX1689IPW Features

• Wide Supply Voltage Range: The LX1689IPW operates within a broad supply voltage range of 3V to 28V, providing flexibility in various power supply configurations.
• Frequency Control: It offers a frequency range of 63kHz to 67kHz, enabling precise control over the CCFL's operation and ensuring optimal performance.
• Dimming Capability: The controller supports dimming, allowing for adjustable brightness levels, which is essential for applications requiring dynamic backlight control.
• Surface Mount Technology: The LX1689IPW is designed for surface mount applications, making it ideal for compact and high-density PCB designs.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the LX1689IPW is suitable for environments with moderate humidity levels, ensuring reliability and longevity.
• Compliance: The LX1689IPW is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

LX1689IPW Applications

The LX1689IPW is well-suited for a variety of applications where efficient and reliable CCFL control is required. Some specific use cases include:

• LCD Backlighting: The controller is ideal for backlighting LCD panels in various electronic devices, such as monitors, TVs, and industrial displays.
• Automotive Displays: Its wide voltage range and robust design make it suitable for automotive applications where reliability and performance are critical.
• Industrial Equipment: The LX1689IPW can be used in industrial equipment requiring high-brightness backlighting solutions.
• Medical Devices: The controller's precision and reliability make it suitable for medical devices that require accurate and consistent backlighting.

Conclusion of LX1689IPW

The LX1689IPW is a versatile and reliable CCFL controller that offers a wide range of features and benefits. Its wide supply voltage range, frequency control, dimming capability, and surface mount design make it an excellent choice for various backlighting applications. While the product is now obsolete, its unique features and advantages over similar models continue to make it a valuable component for designers and engineers in the electronics industry.