The OZ9909TN-A2-0-TR is a Cold Cathode Fluorescent Lamp (CCFL) controller IC manufactured by O2Micro, primarily designed for driving CCFL lamps in LCD backlight applications. This controller is commonly found in LCD monitors, LCD TVs, and notebook computers, providing efficient and reliable power to CCFL lamps. It integrates multiple protection features to ensure stable and secure operation.

Applications

• LCD Monitors
• LCD TVs
• Notebook LCD Panels
• Industrial LCD Displays

Features

• High Efficiency: Designed for efficient power conversion to minimize energy waste and extend battery life in portable devices.
• CCFL Driver: Specifically tailored for driving CCFL lamps, providing stable and reliable operation.
• Integrated Protection: Includes Over-Voltage Protection (OVP), Over-Current Protection (OCP), and Short-Circuit Protection (SCP) to protect the device and the CCFL lamp from damage.
• Adjustable Frequency: Allows for fine-tuning of the operating frequency to optimize performance and minimize interference.
• Burst Mode Operation: Supports burst mode operation for improved efficiency at low dimming levels.
• Analog and PWM Dimming Control: Offers both analog and PWM dimming control for flexible brightness adjustment.
• Open Lamp Protection: Detects and protects against open lamp conditions, preventing damage to the inverter circuit.

Benefits

• Extended Battery Life: High efficiency minimizes power consumption, extending battery life in portable applications.
• Enhanced Reliability: Integrated protection features ensure stable and reliable operation, reducing the risk of damage and downtime.
• Precise Brightness Control: Flexible dimming control options allow for precise adjustment of the LCD panel brightness, providing a comfortable viewing experience.
• Simplified Design: Reduces the number of external components required, simplifying the design and reducing the overall cost.
• Robust Protection: Safeguards the device and the CCFL lamp from various fault conditions, ensuring long-term reliability.

Additional Details

The OZ9909TN-A2-0-TR typically operates within a specific input voltage range. It utilizes a PWM (Pulse Width Modulation) control scheme to regulate the voltage and current supplied to the CCFL lamp, ensuring stable and efficient operation. The adjustable frequency allows for optimization of the circuit for specific lamp characteristics. Integrated protection features, such as over-voltage and over-current protection, are crucial for preventing damage to the device and the CCFL lamp. The device supports both analog and PWM dimming control, providing flexibility in brightness adjustment. The use of tape and reel packaging (TR) facilitates automated assembly. The OZ9909TN-A2-0-TR is a reliable and versatile CCFL controller IC suitable for a wide range of LCD backlighting applications. Package type is usually SOP (Small Outline Package).