FAN7314MX

Power Management - Specialized Overview

The FAN7314MX is an LCD backlight inverter drive IC manufactured by onsemi, designed for high-efficiency single-stage power conversion. It operates within a wide input voltage range of 6 V to 25.5 V and supports a maximum clock frequency of 250 kHz. The device features a ZVS full-bridge topology with soft-start capability and PWM control at a fixed frequency. It includes analog and burst dimming functions, open-lamp protection, and regulation. The component is housed in a 20-pin SOIC-Wide package, rated for surface mount installation, and operates between -25°C and +85°C with a power dissipation of 1.8 W.

Power Management - Specialized Feature Summary

• Integrates control functions for series parallel resonant converters and PWM controllers
• Supports analog and burst dimming with programmable striking frequency
• Includes open-lamp protection and regulation mechanisms

Power Management - Specialized Applications

• LCD television backlight systems
• Monitor display backlighting
• LCD backlight inverter circuits

Power Management - Specialized Procurement Notes

Verify the specific suffix against official documentation, as variations may exist. Confirm current availability status, as supply constraints or discontinuation notices may apply. Ensure compatibility with existing PCB footprints and thermal management requirements before integration. Cross-reference ordering information directly with the manufacturer to validate part authenticity and updated specifications.

Power Management - Specialized Selection Notes

Select this component for applications requiring integrated backlight inversion and dimming control. Evaluate the 20-pin SOIC package size against board space constraints. Consider the operating temperature range and power dissipation limits relative to the enclosure design. Verify that the input voltage range aligns with the system power supply architecture.

Power Management - Specialized Part Context

This component belongs to the FAN731x series of LCD backlight inverter drive ICs from onsemi. These devices are engineered to reduce external component counts while providing robust control for cold cathode fluorescent lamps. The series typically integrates high-voltage drivers and control logic into a single monolithic solution for display applications.

Power Management - Specialized Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter alignment before replacing. Check for any changes in packaging or ordering suffixes that may affect mechanical fit.