PFS5278F-TL

Overview

The PFS5278F-TL is a Power Factor Correction (PFC) controller IC from the HiperPFS-5 series by Power Integrations. It delivers up to 240 W of peak output power for universal applications without requiring a heat sink. The device integrates a 750 V PowiGaN switch, utilizing low switching loss to enhance efficiency. It operates in Discontinuous Conduction Mode (DCM) with a frequency range of 22 kHz to 145 kHz. The component is housed in an InSOP-T28F package and is designed to reduce total component count and inductor size through high integration.

Feature Summary

• Integrates a 750 V PowiGaN switch to minimize switching losses and improve overall system efficiency.
• Highly integrated design reduces total component count and allows for smaller inductor dimensions.
• Operates in Discontinuous Conduction Mode (DCM) to optimize performance across varying load conditions.

Applications

• USB PD 3.1 EPR chargers delivering up to 36 V
• Rapid charging solutions for notebooks
• Power tool adapters

Procurement Notes

Verify the specific suffix 'TL' indicates the reel packaging configuration as documented in official datasheets. Confirm RoHS compliance status directly from the manufacturer's current documentation. Ensure the InSOP-T28F footprint matches your PCB design requirements before procurement. Cross-reference the part number with authorized distributors to confirm active lifecycle status and availability in your region.

Selection Notes

Select this component for designs requiring high power density without thermal management constraints. The integrated 750 V PowiGaN technology supports universal input voltages efficiently. Consider the DCM operation mode for simplified control loops. Verify that the 240 W peak power rating aligns with the maximum load requirements of the target application system.

Part Context

This part belongs to the HiperPFS-5 family, which utilizes advanced PowiGaN technology. The series focuses on reducing system size and cost through high integration. The PFS5278F variant specifically targets higher power outputs compared to lower-wattage siblings in the same lineup, maintaining the compact form factor characteristic of the brand's power management solutions.

Replacement Considerations

Consult official substitution guides for compatible parts within the HiperPFS-5 series. Verify pin compatibility and electrical specifications against the original design requirements before swapping components.

FAQ

What switching mode does the PFS5278F-TL utilize?

The device operates in Discontinuous Conduction Mode (DCM).

Is a heat sink required for the PFS5278F-TL?

No, the component is designed for universal applications without requiring a heat sink.