FAN7529N

Description：IC PFC CTRLR CRM/TRANSITION 8DIP
Series：-
Mfr：onsemi
Package：Tube

SKU:a8dc36086fa4 Category: PFC (Power Factor Correction) Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC PFC CTRLR CRM/TRANSITION 8DIP
Series：-
Mfr：onsemi
Package：Tube
Mode：Critical Conduction (CRM), Discontinuous (Transition)
Frequency - Switching：-
Voltage - Supply：12V ~ 22V
Operating Temperature：-40°C ~ 125°C
Mounting Type：Through Hole
Package / Case：8-DIP (0.300", 7.62mm)
Supplier Device Package：8-DIP
Current - Startup：40 µA
Grade：-
Qualification：-

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FAN7529N

Overview

The FAN7529N is a Power Factor Correction (PFC) controller IC manufactured by onsemi. It supports Critical Conduction Mode (CRM) and Transition Mode operation, designed for high-efficiency power factor correction applications. The device operates within a supply voltage range of 12V to 22V and functions reliably across an extended temperature range from -40°C to +125°C. Packaged in an 8-SOIC surface-mount format, it integrates essential control logic for boundary mode PFC converters.

Feature Summary

Supports Critical Conduction Mode (CRM) and Transition Mode operation for optimized efficiency
Integrated control logic for boundary mode PFC converter topologies
Designed for reliable performance across industrial temperature ranges

Applications

Power factor correction circuits for AC-DC power supplies
Boundary mode PFC converter designs
High-efficiency power management systems

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity and pin alignment against the 8-SOIC specification. Review manufacturer documentation for any product change notices or lifecycle status updates prior to finalizing procurement decisions.

Selection Notes

Evaluate suitability for CRM and transition mode requirements. Ensure input supply voltage compatibility with the 12V to 22V operating range. Consider thermal management capabilities given the specified operating temperature limits and surface-mount packaging constraints.

Part Context

This component belongs to onsemi's portfolio of power management integrated circuits. It serves as a specialized controller for power factor correction applications, distinct from general-purpose PWM controllers. The device addresses specific efficiency and compliance needs in modern power supply designs.

Replacement Considerations

The FAN7529M is documented as a similar alternative part number. Verify functional equivalence and pinout compatibility before substitution. Check current availability and lifecycle status of both components.