PFS7623H/L

Overview

The PFS7623H/L is a HiperPFS-4 series power factor correction controller integrating a continuous conduction mode boost PFC controller, gate driver, and 600 V power MOSFET in a single low-profile package. It operates at a switching frequency of 60 kHz with a supply voltage range of 5 V to 12 V. The device supports surface mount installation in an eSIP-16 package with 16 pins. It functions within a temperature range of -40 °C to 150 °C.

Feature Summary

• Integrates a 600 V power MOSFET, gate driver, and CCM boost PFC controller to eliminate external current sense resistors and associated power loss.
• Utilizes innovative control techniques that adjust switching frequency based on output load, input line voltage, and input line cycle to maximize efficiency across the entire load range.
• Employs advanced digital techniques for line monitoring and feed-forward scaling while maintaining extremely low no-load power consumption through analog core control.

Applications

• High-efficiency power factor correction stages in AC/DC converters
• Power supplies requiring compliance with IEC-61000-3-2 standards
• Compact electronic equipment designs minimizing component count

Procurement Notes

Verify the specific suffix (H or L) against the manufacturer's datasheet to confirm pinout and thermal characteristics. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Ensure the ordering quantity matches the manufacturer's standard packaging requirements.

Selection Notes

Select this component for applications demanding high integration and reduced bill of materials by removing external current sensing resistors. It is suitable for designs prioritizing wide bandwidth spread spectrum effects to minimize EMI filtering requirements. Consider its capability for user-programmable Power Good signals and selectable power limit functionality.

Part Context

This part belongs to the HiperPFS-4 family from Power Integrations, designed to simplify PFC design through high integration. The family combines digital control advantages with analog precision to enhance performance. It represents a solution for optimizing mid-to-high power switch-mode power supply designs.

Replacement Considerations

Consult official substitution lists for verified equivalents. Cross-reference electrical parameters such as voltage ratings and package dimensions before considering alternative components.

FAQ

How does the PFS7623H/L handle current sensing?

It eliminates the need for external current sense resistors by using an innovative control technique that adjusts switching frequency over output load, input line voltage, and input line cycle.

What protection features are included in the device?

The device includes comprehensive protection features such as UV, OV, brown-in/out, hysteretic thermal shutdown, cycle-by-cycle current limit, Safe Operating Area protection, and pin-to-pin short-circuit protection.