The ISL97656AIRTZ-TS2378, manufactured by Renesas Electronics America, is a highly integrated boost regulator designed for LCD backlighting applications. This regulator provides efficient and precise control of the LED current, ensuring optimal brightness and color accuracy in LCD displays.

Applications

• LCD backlighting in notebooks
• LCD backlighting in monitors
• LCD backlighting in TVs
• Portable media players
• Automotive displays

Features

• Boost regulator: Utilizes a boost topology to generate the required voltage for the LED string.
• High efficiency: Designed for high efficiency, minimizing power losses and extending battery life in portable devices.
• PWM dimming control: Offers PWM dimming control for precise brightness adjustment.
• Overvoltage protection (OVP): Includes overvoltage protection to prevent damage from excessive output voltage.
• Overcurrent protection (OCP): Features overcurrent protection to prevent damage from excessive current draw.
• Short-circuit protection (SCP): Incorporates short-circuit protection to protect the device from short circuits on the output.
• Integrated MOSFET: Features an integrated MOSFET, reducing component count and simplifying design.

Benefits

• Optimal brightness and color accuracy: The precise LED current control ensures optimal brightness and color accuracy in LCD displays.
• Extended battery life: The high efficiency minimizes power losses, extending battery life in portable devices.
• Improved system reliability: The overvoltage protection, overcurrent protection, and short-circuit protection enhance system reliability.
• Simplified design: The integrated MOSFET reduces component count and simplifies design.

Additional Details

The ISL97656AIRTZ-TS2378 is typically packaged in a small form factor, surface-mount package, making it suitable for high-density board designs. It requires a few external passive components to complete the LCD backlighting circuit. This device is compliant with industry standards for LCD backlighting regulators. Its performance characteristics are typically specified in a datasheet, which provides detailed information on voltage range, current limits, and efficiency. The device is designed to provide reliable and stable LED current control, even under varying load conditions. This part is specifically tailored for applications requiring efficient and precise LCD backlighting. Proper heat sinking may be required depending on the operating conditions and load current. The external components should be carefully selected to ensure optimal performance and stability.