PFS7623C-TL

Overview

The PFS7623C-TL is a HiperPFS-4 family power factor correction controller integrating a CCM boost PFC controller, gate driver, and 600 V power MOSFET in an InSOP-24B package. It operates at a switching frequency range of 22 kHz to 123 kHz with a supply voltage of 10.2 V to 15 V. The device supports input voltages up to 90 VAC and delivers up to 75 W output power. It functions within a temperature range of -40°C to +150°C junction temperature.

Feature Summary

• Eliminates external current sense resistors by utilizing innovative control techniques that adjust switching frequency based on load and line conditions.
• Maximizes efficiency across the entire load range, particularly at light loads, while minimizing EMI filtering requirements through spread spectrum effects.
• Integrates advanced digital techniques for line monitoring and power factor enhancement alongside analog core control for low no-load consumption.

Applications

• High-efficiency power factor correction stages in AC/DC converters
• Power supplies requiring integrated PFC and MOSFET solutions
• Applications demanding minimized EMI filtering due to wide bandwidth spread spectrum operation

Procurement Notes

Verify the specific suffix 'TL' corresponds to the tape and reel packaging configuration as indicated by distributor listings. Confirm the component status is active or last-time-buy before finalizing designs, as manufacturing changes may affect availability. Ensure the InSOP-24B thermal pad connection matches the PCB layout requirements for proper heat dissipation and grounding.

Selection Notes

Select this component when designing systems requiring a compact, high-power density PFC solution without external current sensing components. It is suitable for applications needing integrated 600 V MOSFET protection features such as UV, OV, and thermal shutdown. Consider its fixed frequency modulation characteristics against specific EMI filter constraints and efficiency targets across varying load conditions.

Part Context

This part belongs to the HiperPFS-4 series from Power Integrations, designed to simplify PFC design by combining control logic and power switching in one package. It replaces discrete PFC controller and MOSFET combinations, reducing component count and board space. The series focuses on high efficiency and low no-load power consumption for modern energy-efficient power supplies.

Replacement Considerations

The PFS5173F-TL is listed as a similar alternative within the manufacturer's portfolio. Verify compatibility regarding voltage ratings, power capabilities, and pinout configurations before substitution. Ensure the replacement meets the same thermal and electrical performance requirements for the specific application design.

FAQ

Does the PFS7623C-TL require an external current sense resistor?

No, the device eliminates the need for external current sense resistors by using an innovative control technique that adjusts switching frequency over output load and input line voltage.

What is the operating junction temperature range for this component?

The PFS7623C-TL operates within a junction temperature range of -40°C to +150°C.