PFS7627H/L

Overview

The PFS7627H/L is a HiperPFS-4 device integrating a continuous conduction mode boost power factor correction controller, gate driver, and 600V power MOSFET in a single low-profile package. It eliminates external current sense resistors using innovative control techniques that adjust switching frequency based on load and line voltage to maximize efficiency. The IC features advanced digital line monitoring, feed-forward scaling, and non-linear error amplifiers for enhanced transient response. It includes comprehensive protection mechanisms such as UV, OV, brown-in/out, hysteretic thermal shutdown, cycle-by-cycle current limit, and Safe Operating Area protection.

Feature Summary

• Integrates CCM boost PFC controller, gate driver, and 600V power MOSFET in a single low-profile package
• Eliminates external current sense resistors to reduce power loss and component count
• Adjusts switching frequency over output load and input line voltage to maximize efficiency at light loads
• Features wide bandwidth spread spectrum effect to minimize EMI filtering requirements

Applications

• Personal computers
• Printers
• LCD televisions
• Video game consoles
• High-power adapters

Procurement Notes

Verify the specific suffix (H or L) against the manufacturer's datasheet to confirm pinout and packaging variations. Confirm RoHS compliance status through official documentation. Ensure the selected variant matches the required thermal management strategy for the target application design.

Selection Notes

Select this component for designs requiring high efficiency across the entire load range without external current sensing resistors. The integrated 600V MOSFET and digital control features simplify the bill of materials. Consider the low-profile package for space-constrained applications where heat dissipation to the PCB is feasible.

Part Context

This part belongs to the HiperPFS-4 family from Power Integrations. The series utilizes advanced digital techniques for line monitoring and power factor enhancement while maintaining analog core control for low no-load consumption. It is designed to replace discrete PFC solutions with higher integration and improved performance metrics.

Replacement Considerations

Check for direct pin-compatible upgrades within the HiperPFS-4 series. Verify if older HiperPFS-3 devices meet the efficiency and size requirements, noting differences in control architecture and integration levels.