The SD6501TR is a highly integrated power switch primarily designed for AC/DC adapter and charger applications. It incorporates a high-voltage power MOSFET and a control circuit into a single package, simplifying the design and reducing the bill of materials for power supplies.

Applications:

• AC/DC Adapters
• Battery Chargers
• Standby Power Supplies
• LED Lighting Power Supplies

Features:

• Integrated High-Voltage Power MOSFET
• Current-Mode Control
• Low Startup Current
• Over-Temperature Protection (OTP)
• Over-Current Protection (OCP)
• Over-Voltage Protection (OVP)
• Open Loop Protection (OLP)
• Short-Circuit Protection (SCP)
• Frequency Jittering for Improved EMI Performance
• Soft Start Function

Benefits:

• Simplified Power Supply Design: The integration of the power MOSFET and control circuit reduces the number of external components needed, making the design process easier and faster.
• Improved Efficiency: The current-mode control and low startup current contribute to higher efficiency, reducing power consumption and heat generation.
• Enhanced Reliability: Comprehensive protection features, including OTP, OCP, OVP, OLP, and SCP, ensure the reliable operation of the power supply under various fault conditions.
• Reduced EMI: Frequency jittering helps to reduce electromagnetic interference, making the power supply compliant with EMI standards.
• Compact Size: The integrated package allows for a more compact power supply design, suitable for space-constrained applications.

The SD6501TR utilizes a current-mode control scheme, which provides excellent line and load regulation. The integrated high-voltage MOSFET offers high efficiency and can withstand high voltage stress. The various protection features ensure robust operation and prevent damage to the power supply and connected devices. The soft-start function minimizes stress on the power components during startup. The frequency jittering function helps improve EMI performance, ensuring that the power supply meets regulatory requirements for electromagnetic compatibility.

Technical Specifications (Typical):

• Operating Voltage: 85VAC - 265VAC
• Output Power: Up to 12W (depending on application conditions)
• Switching Frequency: 65kHz
• Operating Temperature: -40°C to +85°C
• Package: DIP-8 / SOP-8