The KA5Q0765RTHTU is a Fairchild/ON Semiconductor Off-Line Switch Mode Power Supply (SMPS) controller with integrated MOSFET. It's designed for applications requiring efficient and compact power conversion.

Applications

• Power adapters (AC-DC converters)
• Battery chargers
• Auxiliary power supplies
• DVD players
• Set-top boxes

Features

• Integrated Power MOSFET
• Built-in Soft-Start Function
• Pulse-by-Pulse Over Current Limiting
• Over Voltage Protection (OVP)
• Thermal Shutdown Function (TSD)
• Under Voltage Lockout (UVLO)

Benefits

• Reduces component count and simplifies PCB layout due to high integration.
• Provides robust protection against various fault conditions, enhancing system reliability.
• Ensures stable and efficient power conversion across a wide input voltage range.
• Simplifies design and reduces development time.
• Offers a cost-effective solution for offline SMPS applications.

Additional Details

The KA5Q0765RTHTU integrates a power MOSFET and control circuitry into a single package, simplifying the design of off-line SMPS. The built-in soft-start function minimizes stress on components during startup. The over-current, over-voltage, and thermal shutdown protection features ensure safe and reliable operation. The device also includes under-voltage lockout to prevent operation at excessively low input voltages. Consult the datasheet for detailed electrical characteristics, switching performance, and thermal specifications.