FAN7311M

Power Management - Specialized Overview

The FAN7311M is an LCD backlight inverter drive IC manufactured by onsemi, designed for use in LCD televisions and monitors. It operates within a supply voltage range of 5V to 25.5V and supports a typical operating frequency between 30kHz and 250kHz. The device is housed in a 20-SOIC package with a width of 7.50mm and functions reliably across a temperature range of -25°C to 85°C.

Power Management - Specialized Feature Summary

• Integrates high-efficiency single-stage power conversion with ZVS full-bridge topology
• Provides precision voltage reference trimmed to 2% accuracy
• Supports analog and burst dimming functions with programmable striking frequency
• Includes open-lamp protection and regulation capabilities

Power Management - Specialized Applications

• LCD television backlight systems
• LCD monitor backlight inverters
• CCFL lamp ballast circuits

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm the specific suffix 'M' corresponds to the required packaging configuration. Check current lifecycle status as legacy components may have limited availability or end-of-life implications. Ensure compatibility with existing PCB footprints and thermal management requirements before integration.

Power Management - Specialized Selection Notes

Select this component for applications requiring a wide input voltage range and integrated soft-start capabilities. Consider its fixed-frequency PWM control for stable operation in standard LCD backlight designs. Evaluate the reduced external component count against system complexity constraints. Verify that the 20-SOIC package fits within the mechanical design envelope.

Power Management - Specialized Part Context

The FAN7311M belongs to the FAN7311 series of LCD backlight inverter drive ICs from onsemi. This series is engineered to simplify the design of resonant converters for cold cathode fluorescent lamps. It combines control functions for both the resonant converter and a PWM controller to develop the necessary supply voltage.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official onsemi resources for cross-reference information if replacement is required.