FAN7529BMX

Overview

The FAN7529BMX is a boundary mode power factor correction (PFC) controller designed for fluorescent light and general PFC applications. It operates with a current-mode control technique using pulse width modulation. The device supports an input voltage range from 9.5 V to 25 V, with a nominal input of 14 V. It provides a maximum output drive current of 0.5 A. The component is housed in an 8-pin SOP package measuring 4.9 mm in length. It functions within a temperature range of -25 °C to +125 °C.

Feature Summary

• Implements boundary mode control for power factor correction
• Integrates current-mode control with pulse width modulation
• Provides high-current gate drive capability

Applications

• Fluorescent light controllers
• Power factor correction circuits
• Switching power supply designs

Procurement Notes

Verify the manufacturer origin carefully, as listings may attribute this part to ON Semiconductor or Rochester Electronics due to corporate acquisitions and inventory redistribution. Confirm the specific suffix 'BMX' corresponds to the required tape-and-reel packaging format. Ensure the datasheet version matches the expected pinout and electrical characteristics before integration into production designs.

Selection Notes

Select this component when boundary mode operation is preferred for specific PFC topologies. It serves as a dedicated controller for applications requiring integrated power factor correction and lighting control functions. Consider the 0.5 A drive capability and the wide operating voltage range when designing the gate drive network and power supply rails for the associated MOSFETs.

Part Context

This part belongs to the family of power management ICs originally developed by Fairchild Semiconductor. Following industry consolidation, these products are often distributed under the ON Semiconductor brand or through specialized distributors like Rochester Electronics. The FAN7529 series represents a specific segment of boundary mode controllers distinct from critical conduction mode variants like the FAN7528.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.