The SFPB-64VL is a Power Factor Correction (PFC) controller IC manufactured by Sanken Electric. Its purpose is to improve the power factor of electronic devices, reducing harmonic distortion and increasing energy efficiency. This IC finds common use in power supplies for diverse applications, ranging from consumer electronics to industrial equipment. The SFPB-64VL incorporates advanced control techniques to achieve high power factor and low total harmonic distortion (THD) across a wide variety of operating conditions.

Applications

• Power supplies for LED lighting
• Power supplies for LCD and LED televisions
• Power supplies for air conditioners
• Power supplies for refrigerators
• Power supplies for industrial automation systems

Features

• Continuous Conduction Mode (CCM) Operation
• High Power Factor Correction (PFC)
• Low Total Harmonic Distortion (THD)
• Overvoltage Protection (OVP)
• Overcurrent Protection (OCP)
• Undervoltage Lockout (UVLO)
• Soft-Start Function
• Open Loop Protection
• Built-in Filter Circuit

Benefits

• Improved energy efficiency resulting in reduced energy consumption and lower operating costs.
• Reduced harmonic distortion, which aids in complying with regulatory standards and improves power grid stability.
• Enhanced system reliability due to comprehensive protection features.
• Simplified design and reduced component count leading to lower system costs.
• Compact size allowing for use in space-constrained applications.

Additional Details

The SFPB-64VL uses Continuous Conduction Mode (CCM) control for efficient power factor correction. It includes a soft-start function to minimize inrush current during startup, preventing component stress. Protection features like Overvoltage Protection (OVP), Overcurrent Protection (OCP), and Undervoltage Lockout (UVLO) ensure safe and dependable operation. The typical operating frequency ranges from tens to hundreds of kHz, depending on specific application needs. It is commonly available in surface-mount packages such as SOP (Small Outline Package) for straightforward assembly and integration.